Charles E. Francis

UN Unknown: 1 patents #145 of 1,640Top 9%

📍 Claremore, OK: #2 of 13 inventorsTop 20%

🗺 Oklahoma: #151 of 749 inventorsTop 25%

Overall (1989): #126,590 of 140,708Top 90%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4865370	Keeper for deadbolt locks	—	1989-09-12