Inventor · disambiguated record
John R. Witzel
Also filed as: WITZEL JOHN R · WITZEL JOHN RICHARD
4 granted patents·100 citations·filing 1975–1987
79Inventor score
Files withCINCINNATI MILACRON INC4
Top patents by PatentIndex Score
4 records- 0175US4712953AMethod and apparatus for aligning cutting toolsCINCINNATI MILACRON INC·Filed 1987·Granted Dec 15, 1987·41 cites·20 claims
- 0266US4021635AApparatus for controlling tool feed mechanism on an EDM machineCINCINNATI MILACRON INC·Filed 1975·Granted May 3, 1977·22 cites·6 claims
- 0363US3988560AMethod and apparatus for controlling generation of machining pulses in EDM power supplyCINCINNATI MILACRON INC·Filed 1975·Granted Oct 26, 1976·20 cites·3 claims
- 0461US4807518ACounterbalance mechanism for vertically movable meansCINCINNATI MILACRON INC·Filed 1986·Granted Feb 28, 1989·17 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when John R. Witzel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →