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For the Inventor, By the Inventor

Oakland, CA, United States of America

Conway Engineering, Inc.


USPTO Granted Patents = 3

Forward Citations = 49

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3 inventors (with patents filed for the assignee):

goldMedal Mark E Stamos (3 out of 4 patents)

silverMedal Gary C Fields (3 out of 10 patents)

bronzeMedal Lawrence T Pena (2 out of 2 patents)


3 patents:

1. 5259800 - Microprocessor controlled system for testing and selectively (1993-11-09),
2. 5007077 - Coin telephone message and management system (1991-04-09),
3. 4839916 - Telephone toll integrity checking system (1989-06-13),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#126 in Oakland, CA

#16,838 in California

#73,766 in US

Oakland, CA (US)
Oakland, CA, United States of America

Conway Engineering, Inc.

Forward Citations = 49

3 inventors:

goldMedal Mark E Stamos (3 out of 4 patents)

silverMedal Gary C Fields (3 out of 10 patents)

bronzeMedal Lawrence T Pena (2 out of 2 patents)

Please report any incorrect information to [email protected]
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