Individual holder
PETROW HENRY G
US·4 granted patents·89 citations·filing 1974–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0171US4295985AMethod of removal of chlorine retained by human skin and hair after exposure to chlorinated water, and soap and shampoo compositions adapted to effect said removalPETROW HENRY G·Filed 1980·Granted Oct 20, 1981·33 cites·10 claims
- 0269US3960989AColloidal sol antimony pentaoxide flameproofing compositionsPETROW HENRY G·Filed 1974·Granted Jun 1, 1976·11 cites·6 claims
- 0366US4659566ACompositions and methods for permanently waving or straightening hairPETROW HENRY G·Filed 1984·Granted Apr 21, 1987·28 cites·20 claims
- 0453US4841997AMethod for setting hair or furPETROW HENRY G·Filed 1988·Granted Jun 27, 1989·17 cites·25 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →