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USPTO Patent Rankings Data through Dec 31, 2025
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Steven B. Alexander — 4 Patents in 2021

IEInterstate Electronics: 4 patents #1 of 6Top 20%
Orange, CA: #8 of 124 inventorsTop 7%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #39,854 of 548,734Top 8%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11194053 Global navigation satellite system spoofer identification technique based on carrier to noise ratio signatures Ivan L. Johnston, Gilberto I. Sada 2021-12-07
11181646 Systems and methods for providing anti-spoofing capability to a global navigation satellite system receiver Derek Michael Loomer Boyer, Richard F. Redhead 2021-11-23
10948602 Global navigation satellite system spoofer identification technique Gilberto I. Sada 2021-03-16
10921464 Satellite navigation receiver for a rapidly rotating object with improved resistance to jamming Richard F. Redhead 2021-02-16