Granted Patent
Utility
US 3,978,213 · App. 05/538,395
Cosmetic use of cyclic AMP and phosphodiesterase inhibitors
Inventors:
Eugene Lapinet, Georges Cehovic, Theodore Posternak
Patented Case
View Patent ↗
Granted: Aug 31, 1976
Filed: Jan 3, 1975
Inventors
Eugene Lapinet
Georges Cehovic
Theodore Posternak
Assignee (at issue)
Nelson Research & Development Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.