Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Gregory E. Landreth — 3 Patents

PLPlantronics: 3 patents #128 of 433Top 30%
Los Gatos, CA: #1,465 of 2,986 inventorsTop 50%
California: #150,760 of 386,348 inventorsTop 40%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Gregory E. Landreth has been granted 3 US patents while listed as an inventor at Plantronics. The first was granted in 1993 and the most recent in December 1998. Gregory E. Landreth ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Gregory E. Landreth in Los Gatos, CA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D403327 Convertible earhook headset Fred Italo Polito 1998-12-29
D394437 Headband headset Fred Italo Polito 1998-05-19
5259780 Quick disconnect wiring connector Edmund J. Morrissey, III, James B. Robertson 1993-11-09