John R. Corwin

📍 Grand Rapids, MI: #22 of 105 inventorsTop 25%

🗺 Michigan: #1,426 of 5,720 inventorsTop 25%

Overall (2005): #173,157 of 245,428Top 75%

Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D505597	Knife with a rifle stock handle	—	2005-05-31