RH

R. Brian Holdeman

TW The Charles Machine Works: 1 patents #133 of 211Top 65%
📍 Perry, OK: #60 of 85 inventorsTop 75%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #3,750,251 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5546833 Screw drive tool joint wrench Fred H. Kohman, Greg Harrison, Bradley W. Hise 1996-08-20