Unable to load page tree. It seems that you do not have permission to view the root page.
Attachments
| Name | Size | Creator | Creation Date | Labels | Comment | |||
|---|---|---|---|---|---|---|---|---|
| PDF File 1866603.pdf | 1.18 MB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1866603-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.18 MB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866603-A // Acoustic device // Schlenker Vesper A. // Bell Telephone Labor Inc | ||||
| PDF File 1866604.pdf | 326 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1866604-A // Electrolytic device // Siegmund Humphreys O. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 326 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866604-A // Electrolytic device // Siegmund Humphreys O. // Bell Telephone Labor Inc | ||||
| PDF File 1866924.pdf | 444 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1866924-A // Magnetic material // Cioffi Paul P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 444 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866924-A // Magnetic material // Cioffi Paul P. // Bell Telephone Labor Inc | ||||
| PDF File 1866925.pdf | 401 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1866925-A // Magnetic material // Cioffi Paul P. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 401 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1866925-A // Magnetic material // Cioffi Paul P. // Bell Telephone Labor Inc | ||||
| PDF File 1867333.pdf | 343 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867333-A // Telegraph exchange switchboard // Smith Edward M. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 343 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867333-A // Telegraph exchange switchboard // Smith Edward M. // Bell Telephone Labor Inc | ||||
| PDF File 1867340.pdf | 446 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867340-A // Electrooptical apparatus // Weinhart Howard W. ; Hall Howard // Bell Telephone Labor Inc | |||
| Version 1 (current) | 446 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867340-A // Electrooptical apparatus // Weinhart Howard W. ; Hall Howard // Bell Telephone Labor Inc | ||||
| PDF File 1867350.pdf | 475 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867350-A // Artificial larynx // Burchett George W. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 475 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867350-A // Artificial larynx // Burchett George W. // Bell Telephone Labor Inc | ||||
| PDF File 1867356.pdf | 1015 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867356-A // Electric wave translating system // Friis Harald T. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1015 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867356-A // Electric wave translating system // Friis Harald T. // Bell Telephone Labor Inc | ||||
| PDF File 1867362.pdf | 449 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867362-A // Insulation of metal bodies // Lathrop Hubbel // Bell Telephone Labor Inc | |||
| Version 1 (current) | 449 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867362-A // Insulation of metal bodies // Lathrop Hubbel // Bell Telephone Labor Inc | ||||
| PDF File 1867368.pdf | 432 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867368-A // Testing system // Massonneau Robert F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 432 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867368-A // Testing system // Massonneau Robert F. // Bell Telephone Labor Inc | ||||
| PDF File 1867373.pdf | 579 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867373-A // Motor control system // Morton Edmund R. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 579 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867373-A // Motor control system // Morton Edmund R. // Bell Telephone Labor Inc | ||||
| PDF File 1867380.pdf | 376 kB | Shaun Ewing | Jul 12, 1932 00:00 |
|
US-1867380-A // Thermal switch // Runyon Benjamin F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 376 kB | Shaun Ewing | Jul 12, 1932 00:00 | US-1867380-A // Thermal switch // Runyon Benjamin F. // Bell Telephone Labor Inc | ||||
| PDF File 1868090.pdf | 337 kB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868090-A // Sound translating device // Bostwick Lee G. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 337 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868090-A // Sound translating device // Bostwick Lee G. // Bell Telephone Labor Inc | ||||
| PDF File 1868296.pdf | 1.79 MB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868296-A // Automatic telephone system // Stokely Ray L. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.79 MB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868296-A // Automatic telephone system // Stokely Ray L. // Bell Telephone Labor Inc | ||||
| PDF File 1868309.pdf | 1.76 MB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868309-A // Telephone system // Carpenter Warren W. ; Dahl Jack F. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.76 MB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868309-A // Telephone system // Carpenter Warren W. ; Dahl Jack F. // Bell Telephone Labor Inc | ||||
| PDF File 1868315.pdf | 318 kB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868315-A // Continuously loaded conductor // Ellis William C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 318 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868315-A // Continuously loaded conductor // Ellis William C. // Bell Telephone Labor Inc | ||||
| PDF File 1868318.pdf | 193 kB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868318-A // Adjustable inductance // Greenidge Ralph M. C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 193 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868318-A // Adjustable inductance // Greenidge Ralph M. C. // Bell Telephone Labor Inc | ||||
| PDF File 1868321.pdf | 430 kB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868321-A // Sound recording // Harrison Henry C. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 430 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868321-A // Sound recording // Harrison Henry C. // Bell Telephone Labor Inc | ||||
| PDF File 1868326.pdf | 1.59 MB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868326-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | |||
| Version 1 (current) | 1.59 MB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868326-A // Telephone system // King Gerald V. // Bell Telephone Labor Inc | ||||
| PDF File 1868366.pdf | 649 kB | Shaun Ewing | Jul 19, 1932 00:00 |
|
US-1868366-A // Driving mechanism // Pfannenstiehl Harry // Bell Telephone Labor Inc | |||
| Version 1 (current) | 649 kB | Shaun Ewing | Jul 19, 1932 00:00 | US-1868366-A // Driving mechanism // Pfannenstiehl Harry // Bell Telephone Labor Inc |