Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Inventors › Darrell J. Scheffer
DS

Darrell J. Scheffer — 2 Patents

Boring, OR: #21 of 63 inventorsTop 35%
Oregon: #12,752 of 28,073 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Darrell J. Scheffer has been granted 2 US patents. The first was granted in 1988 and the most recent in July 1994. Darrell J. Scheffer ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Darrell J. Scheffer in Boring, OR, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5325839 Spring biased arrow rest — 1994-07-05
4754825 Game sled — 1988-07-05

Nearby-Ranked Inventors

Leonard Mattheis2
Yiqi SHI2
Roberto DiCecco2
Haoneng Xu2
Emily Chew2
So Young Bae2
Julian Alexander Georgi2
Yoshihiro Asahara2
Assaf Ariel2