Frank J. Klima

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

📍 Virginia, MN: #14 of 60 inventorsTop 25%

🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%

Overall (All Time): #1,680,654 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4552233	Rotary drill bit seal	—	1985-11-12
4453836	Sealed hard-rock drill bit	—	1984-06-12
4445791	Rotary drill bit ball plug	—	1984-05-01