Inventor · disambiguated record
Harold R. Henderson
Also filed as: HENDERSON HAROLD R · HENDERSON HAROLD RICHARD
5 granted patents·84 citations·filing 1977–1988
82Inventor score
Files withARCAIR CO5
Top patents by PatentIndex Score
5 records- 0164USD249827SWelding helmetARCAIR CO·Filed 1977·Granted Oct 10, 1978·8 cites·1 claims
- 0264US4103359ANoise suppressing welding helmetARCAIR CO·Filed 1977·Granted Aug 1, 1978·22 cites·11 claims
- 0350US4697791AExothermic cutting electrodeARCAIR CO·Filed 1985·Granted Oct 6, 1987·23 cites·4 claims
- 0444US4864093AExothermic cutting electrodeARCAIR CO·Filed 1988·Granted Sep 5, 1989·17 cites·12 claims
- 0539US4787142AExothermic cutting electrodeARCAIR CO·Filed 1987·Granted Nov 29, 1988·14 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Harold R. Henderson 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 →