WJ

W. Robert Griffith, Jr.

📍 Scottsdale, AZ: #122 of 362 inventorsTop 35%
🗺 Arizona: #1,399 of 3,883 inventorsTop 40%
Overall (2017): #505,461 of 506,227Top 100%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9630680 Two speed bicycle transmission where pedaling backward inherently provides a higher forward driving speed ratio 2017-04-25