Name Size Creator Creation Date Labels Comment  
PDF File 1928735.pdf 323 kB Shaun Ewing Oct 03, 1933 00:00
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US-1928735-A // Multiconductor system for signaling circuits // Nyquist Harry // American Telephone & Telegraph
PDF File 1928726.pdf 343 kB Shaun Ewing Oct 03, 1933 00:00
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US-1928726-A // Wire arrangement in pole line systems // Hunter Russell N. // American Telephone & Telegraph
PDF File 1928720.pdf 417 kB Shaun Ewing Oct 03, 1933 00:00
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US-1928720-A // Coupling arrangement // Edwards Paul G. // American Telephone & Telegraph
PDF File 1928610.pdf 539 kB Shaun Ewing Oct 03, 1933 00:00
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US-1928610-A // High frequency signaling system // Affel Herman A. // American Telephone & Telegraph
PDF File 1927999.pdf 1.38 MB Shaun Ewing Sept 26, 1933 00:00
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US-1927999-A // Volume control in telephone circuits // Wright Sumner B. ; Taylor Edmund R. // American Telephone & Telegraph
PDF File 1927989.pdf 411 kB Shaun Ewing Sept 26, 1933 00:00
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US-1927989-A // System for replacement of alpha defective circuit // Nyquist Harry // American Telephone & Telegraph
PDF File 1927978.pdf 256 kB Shaun Ewing Sept 26, 1933 00:00
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US-1927978-A // Winch brake // Freeman Albert E. ; Smith Temple C. // American Telephone & Telegraph
PDF File 1927133.pdf 1.61 MB Shaun Ewing Sept 19, 1933 00:00
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US-1927133-A // Transmission control in signaling systems // Newby Neal D. ; Moody Dwight L. // American Telephone & Telegraph
PDF File 1927128.pdf 1.12 MB Shaun Ewing Sept 19, 1933 00:00
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US-1927128-A // Gain control apparatus // Lindsay Russell H. // American Telephone & Telegraph
PDF File 1927106.pdf 535 kB Shaun Ewing Sept 19, 1933 00:00
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US-1927106-A // Insulator // Wilson Leon T. // American Telephone & Telegraph
PDF File 1926181.pdf 186 kB Shaun Ewing Sept 12, 1933 00:00
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US-1926181-A // Current generating device // Schramm Fred W. // American Telephone & Telegraph
PDF File 1926172.pdf 1.07 MB Shaun Ewing Sept 12, 1933 00:00
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US-1926172-A // Printing telegraph exchange system // Perry Donald B. // American Telephone & Telegraph
PDF File 1926169.pdf 1.64 MB Shaun Ewing Sept 12, 1933 00:00
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US-1926169-A // Phase and frequency control // Nyquist Harry // American Telephone & Telegraph
PDF File 1926144.pdf 430 kB Shaun Ewing Sept 12, 1933 00:00
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US-1926144-A // Time controlled apparatus // Edwards Whliam H. ; Green Irving W. // American Telephone & Telegraph
PDF File 1926143.pdf 372 kB Shaun Ewing Sept 12, 1933 00:00
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US-1926143-A // Time controlled apparatus // Edwards William H. // American Telephone & Telegraph
PDF File 1924628.pdf 1.22 MB Shaun Ewing Aug 29, 1933 00:00
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US-1924628-A // Method of and apparatus for receiving high frequency oscillations // Smythe Edwin H. // American Telephone & Telegraph
PDF File 1922139.pdf 1.07 MB Shaun Ewing Aug 15, 1933 00:00
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US-1922139-A // Telegraph system for submarine cables // Nyquist Harry // American Telephone & Telegraph
PDF File 1922138.pdf 318 kB Shaun Ewing Aug 15, 1933 00:00
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US-1922138-A // System for transposition of conductor sets in cables // Nyquist Harry // American Telephone & Telegraph
PDF File 1922116.pdf 450 kB Shaun Ewing Aug 15, 1933 00:00
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US-1922116-A // Antenna array // Stone John Stone // American Telephone & Telegraph
PDF File 1922115.pdf 1.32 MB Shaun Ewing Aug 15, 1933 00:00
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US-1922115-A // Antenna array // Stone John Stone // American Telephone & Telegraph
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