F. Richard Langner

📍 Fountain Hills, AZ: #5 of 10 inventorsTop 50%

🗺 Arizona: #375 of 1,597 inventorsTop 25%

Overall (1997): #153,653 of 185,788Top 85%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D388149	Mechanical trigger lock	—	1997-12-23