Name Size Creator Creation Date Labels Comment  
PDF File 3483464.pdf 1.36 MB Shaun Ewing Dec 09, 1969 00:00
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US-3483464-A // Voltage regulator systems employing a multifunctional circuit comprising a field effect transistor constant current source // Milton L. Embree ; Billy H. Hamilton ; Clair G. Metzler // Bell Telephone Labor Inc
PDF File 3483513.pdf 1.05 MB Shaun Ewing Dec 09, 1969 00:00
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US-3483513-A // Holographic matched filter pattern recognition technique // Christoph B. Burckhardt ; Robert J. Collier // Bell Telephone Labor Inc
PDF File 3483942.pdf 415 kB Shaun Ewing Dec 16, 1969 00:00
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US-3483942-A // Acoustic devices // Merton H. Crowell ; Dan Maydan // Bell Telephone Labor Inc
PDF File 3484147.pdf 602 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484147-A // Hologram storage apparatus and method using a diffusing medium // Robert J. Collier // Bell Telephone Labor Inc
PDF File 3484151.pdf 439 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484151-A // A nonreciprocal optical device employing birefringent elements with rotating birefringent axes // Edward H. Turner // Bell Telephone Labor Inc
PDF File 3484153.pdf 379 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484153-A // Transparent eutectics with lamellar microstructures and method of making same // John D. Hunt ; Kenneth A. Jackson // Bell Telephone Labor Inc
PDF File 3484285.pdf 371 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484285-A // Stabilized polymeric compositions // Ralph H. Hansen // Bell Telephone Labor Inc
PDF File 3484312.pdf 207 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484312-A // Method for forming alloy contacts to gallium arsenide // Felix Ermanis ; Bertram Schwartz // Bell Telephone Labor Inc
PDF File 3484358.pdf 387 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484358-A // Method and apparatus for reactive sputtering wherein the sputtering target is contacted by an inert gas // Alex Androshuk ; Arpad A. Bergh ; William C. Erdman // Bell Telephone Labor Inc
PDF File 3484556.pdf 887 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484556-A // Bandwidth compression eliminating frequency transposition and overcoming phase ambiguity // James L. Flanagan ; Manfred R. Schroeder // Bell Telephone Labor Inc
PDF File 3484557.pdf 348 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484557-A // Supervisory signaling over radio-telephone system // Clyde L. Ruthroff // Bell Telephone Labor Inc
PDF File 3484722.pdf 380 kB Shaun Ewing Dec 16, 1969 00:00
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US-3484722-A // Optical modulator // Alfred S. Barker Jr. ; Hans W. Verleur // Bell Telephone Labor Inc
PDF File 3485551.pdf 666 kB Shaun Ewing Dec 23, 1969 00:00
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US-3485551-A // Rubidium iron fluoride magneto-optical devices // Howard J. Guggenheim ; Shobha Singh // Bell Telephone Labor Inc
PDF File 3485685.pdf 391 kB Shaun Ewing Dec 23, 1969 00:00
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US-3485685-A // Method and source composition for reproducible diffusion of zinc into gallium arsenide // Horace C. Casey Jr. ; Morton B. Panish // Bell Telephone Labor Inc
PDF File 3485759.pdf 546 kB Shaun Ewing Dec 23, 1969 00:00
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US-3485759-A // Hydrothermal growth of rare earth orthoferrites and materials so produced // Ernest D. Kolb ; Robert A. Laudise ; Edward G. Spencer ; Darwin L. Wood // Bell Telephone Labor Inc
PDF File 3488445.pdf 1.16 MB Shaun Ewing Jan 06, 1970 00:00
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US-3488445-A // Orthogonal frequency multiplex data transmission system // Robert W. Chang // Bell Telephone Labor Inc
PDF File 3488446.pdf 927 kB Shaun Ewing Jan 06, 1970 00:00
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US-3488446-A // Apparatus for deriving pitch information from a speech wave // Ralph L. Miller // Bell Telephone Labor Inc
PDF File 3488602.pdf 999 kB Shaun Ewing Jan 06, 1970 00:00
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US-3488602-A // Ultrasonic surface waveguides // Harold Seidel ; Donald L. White // Bell Telephone Labor Inc
PDF File 3489860.pdf 838 kB Shaun Ewing Jan 13, 1970 00:00
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US-3489860-A // Remote telephone on-hook,off-hook control // Robert R. Greenman ; Luther E. Krebs // Bell Telephone Labor Inc
PDF File 3490021.pdf 545 kB Shaun Ewing Jan 13, 1970 00:00
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US-3490021-A // Receiving antenna apparatus compensated for antenna surface irregularities // David C. Hogg ; Rudolf Kompfner ; Harrison E. Rowe // Bell Telephone Labor Inc
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