IP Library › Granted Patent US 4,793,994
Granted Patent Utility
US 4,793,994 · App. 07/013,617

Compositions used in permanent structure altering of hair

Inventors: Michael W. Helioff, Carmen D. Bires, Robert B. Login
Patented Case View Patent ↗
Granted: Dec 27, 1988 Filed: Feb 12, 1987
Inventors
Michael W. Helioff
Carmen D. Bires
Robert B. Login
Assignee (at issue)
GAF Corporation

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Quick Facts
Patent No.
US 4,793,994
App. No.
07/013,617
Filed
1987-02-12
Granted
1988-12-27
Kind
A