Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Home › Unknown › Richard Douglas Barkley
RB

Richard Douglas Barkley

UNUnknown: 1 patents #323 of 3,294Top 10%
Williamsburg, CA: #1 of 1 inventorsTop 100%
Overall (2016): #254,475 of 481,213Top 55%
1 Patents 2016

Issued Patents 2016

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9402418 Apparatus and method for rolling cigarette filters — 2016-08-02

Nearby-Ranked Inventors

Rich Barrett1
Rickard Barrefelt1
Rina Barouch-Bentov1
Rick L. Barnett1
Richard Lee Barnes, II1
Richard F Bardecki1
Richard Barbier1
Richard G. Baraniuk1
Richard L. Banyard1