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For the Inventor, By the Inventor

Glendora, CA, United States of America

Subcarrier Systems Corporation


USPTO Granted Patents = 2

Forward Citations = 38

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2 inventors (with patents filed for the assignee):

goldMedal David Charles Kelley (2 out of 2 patents)

silverMedal Gregory J Berchin (2 out of 8 patents)


2 patents:

1. 9405015 - Method and apparatus for modeling of GNSS pseudorange measurements for interpolation, extrapolation, reduction of measurement errors, and data compression (2016-08-02),
2. 9250327 - Method and apparatus for reducing satellite position message payload by adaptive data compression techniques (2016-02-02),
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USPTO Data Jan 1 1976 - Sep 29 2026

2 Patents

#8 in Glendora, CA

#20,981 in California

#94,730 in US

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

Subcarrier Systems Corporation

Forward Citations = 38

2 inventors:

goldMedal David Charles Kelley (2 out of 2 patents)

silverMedal Gregory J Berchin (2 out of 8 patents)

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