MC

Marion N. Craig

RO Roadmaster: 2 patents #13 of 35Top 40%
Overall (All Time): #2,300,251 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5191809 Exercise bicycle flywheel 1993-03-09
4762317 Stationary exercise device David K. Camfield, Daniel F. Brashear 1988-08-09