FD

Franklin J. Day

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Walnut Creek, CA: #476 of 1,300 inventorsTop 40%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,569,200 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7727125 Exercise machine and method for use in training selected muscle groups 2010-06-01
7607370 Crank with clutch and coupler Henry Molenda 2009-10-27
5860329 Pedaling mechanism for bicycles and the like 1999-01-19