For the Inventor, By the Inventor

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Sigtec Navigation Pty Ltd.

USPTO Granted Patents = 2

Forward Citations = 90

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5 inventors (with patents filed for the assignee):

Roderick C Bryant (2 out of 6 patents)

Stanley L Dougan (2 out of 5 patents)

Andrew Graham Dempster (2 out of 6 patents)

4. Eamonn P Glennon (1 out of 6 patents)

5. Harry Tagaris (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 6642884 - Satellite-based positioning system receiver for weak signal operation (2003-11-04),

2. 5459473 - GPS receiver (1995-10-17),

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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#169 in

#2,049 in Australia

Sigtec Navigation Pty Ltd.

Forward Citations = 90

5 inventors:

Roderick C Bryant (2 out of 6 patents)

Stanley L Dougan (2 out of 5 patents)

Andrew Graham Dempster (2 out of 6 patents)

4. Eamonn P Glennon (1 out of 6 patents)

5. Harry Tagaris (1 out of 1 patent)

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