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Donald J. Keating

TW The Charles Machine Works: 2 patents #90 of 211Top 45%
📍 Perry, OK: #35 of 85 inventorsTop 45%
🗺 Oklahoma: #3,359 of 12,736 inventorsTop 30%
Overall (All Time): #1,619,435 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
RE37923 Hydraulic circuit for automatic control of a horizontal boring machine George E. Strecker, Michael Timothy Teiga, Joe G. Worlow 2002-12-10
5684466 Electrical strike system control for subsurface boring equipment Joel Edwards, Bradley E. Mitchell, Kelvin P. Self 1997-11-04
5564455 Hydraulic circuit for automatic control of a horizontal boring machine George E. Strecker, Michael Timothy Teiga, Joe G. Worlow 1996-10-15