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For the Inventor, By the Inventor

Sunnyvale, CA, United States of America

Ashtech, Inc.


USPTO Granted Patents = 2


Trademarks = 4

Forward Citations = 344

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4 inventors (with patents filed for the assignee):

goldMedal Kamran K Abadi (2 out of 5 patents)

silverMedal Robert G Lorenz (1 out of 50 patents)

bronzeMedal Roger J Helkey (1 out of 3 patents)

4.  Steven C Evans (1 out of 1 patent)

5.  Daniel Thales Intellectual Property Bourasseau (0 patent)

6.  Michel Thales Intellectual Property Priou (0 patent)

7.  Bertrand Thales Intellectual Property Quemener (0 patent)

8.  Stéphane Thales Intellectual Property Rollet (0 patent)


2 patents:

1. 5347546 - Method and apparatus for prefiltering a global positioning system (1994-09-13),
2. 5293170 - Global positioning system receiver digital processing technique (1994-03-08),
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USPTO Data Jan 1 1976 - Dec 23 2025

2 Patents

#679 in Sunnyvale, CA

#20,538 in California

#92,558 in US

...
Sunnyvale, CA, United States of America

Ashtech, Inc.

Forward Citations = 344

4 inventors:

goldMedal Kamran K Abadi (2 out of 5 patents)

silverMedal Robert G Lorenz (1 out of 50 patents)

bronzeMedal Roger J Helkey (1 out of 3 patents)

4.  Steven C Evans (1 out of 1 patent)

5.  Daniel Thales Intellectual Property Bourasseau (0 patent)

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