Philip Tomkinson

📍 Birmingham, MI: #370 of 851 inventorsTop 45%

🗺 Michigan: #35,034 of 86,293 inventorsTop 45%

Overall (All Time): #2,336,046 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4735430	Racing bicycle having a continuously variable traction drive	—	1988-04-05
4647060	Bicycle design	—	1987-03-03