David Schumaker

📍 Ferndale, MI: #3 of 10 inventorsTop 30%

🗺 Michigan: #694 of 3,452 inventorsTop 25%

Overall (1989): #121,765 of 140,708Top 90%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4800665	Pistol grip safety clip	—	1989-01-31