For the Inventor, By the Inventor

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Hatboro, PA, United States of America

General Instrument Corporation Jerrold Communications

USPTO Granted Patents = 4

Forward Citations = 135

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4 inventors (with patents filed for the assignee):

David R Huber (2 out of 45 patents)

John T Griffin (1 out of 4 patents)

David E Zeidler (1 out of 2 patents)

4. Michael F Jeffers (1 out of 4 patents)

4 patents: Sort by Forward Citations

1. 6094284 - Optical systems with grating reflector (2000-07-25),

2. 5321748 - Method and apparatus for television signal scrambling using block (1994-06-14),

3. 5283686 - Optical systems with grating reflector (1994-02-01),

4. 5258722 - Amplifier circuit with distortion cancellation (1993-11-02),

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USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#5 in Hatboro, PA

#2,178 in Pennsylvania

#59,049 in US

Hatboro, PA, United States of America

General Instrument Corporation Jerrold Communications

Forward Citations = 135

4 inventors:

David R Huber (2 out of 45 patents)

John T Griffin (1 out of 4 patents)

David E Zeidler (1 out of 2 patents)

4. Michael F Jeffers (1 out of 4 patents)

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