Davis S. Colvin

UN Unknown: 1 patents #29,356 of 83,584Top 40%

📍 Farmington Hills, MI: #1,183 of 2,032 inventorsTop 60%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,939,838 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D303916	Double-ended box wrench	—	1989-10-10