- LandOfFree
- Inventors
- Tool driving or impacting
- Advance causing or controlling means
- Rotary drive and advance originate from same mechanical element
Details
Charles J. Armstrong
Charles J.
Armstrong
- Patent Class
Tool driving or impacting
- SubClass
Advance causing or controlling means
- SubSubClass
Rotary drive and advance originate from same mechanical element
- Specialty
Inventor
- Status
active
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Profile ID: LFUS-PAI-P-1994291
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