Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dennis Raefield — 2 Patents

Danville, CA: #610 of 1,210 inventorsTop 55%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dennis Raefield has been granted 2 US patents. The first was granted in 2014 and the most recent in January 2015. Dennis Raefield ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dennis Raefield in Danville, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8941465 System and method for secure entry using door tokens Stephen Pineau, David Lee, Ola Wiberg, Shayne Peter Bates, Steven Chand 2015-01-27
8907763 System, station and method for mustering Steven Pineau, Ola Wiberg, David Lee, Shayne Peter Bates, Steven Chand 2014-12-09