Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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James E. Sieffert — 1 Patent

California: #249,524 of 386,348 inventorsTop 65%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
James E. Sieffert has been granted 1 US patent. All of these patents were granted in 2002. James E. Sieffert ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list James E. Sieffert in معلمی نژاد, CA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6389293 Method and apparatus for providing call screening on cordless telephone equipment using three-way calling Stephen J. Clore, Ronald Edward Anglikowski, Mark C. Jensen, William Eisenloeffel 2002-05-14