Jonathan M. Porkka

📍 Mashpee, MA: #62 of 176 inventorsTop 40%

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%

Overall (All Time): #2,260,412 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5752898	Bicycle training weight	—	1998-05-19
D380510	Bicycle training weight	—	1997-07-01