Granted Patent
Utility
US 4,783,335 · App. 06/904,764
Controlled topical application of bioactive reagent
Inventor:
Harold Lipshitz
Patented Case
View Patent ↗
Granted: Nov 8, 1988
Filed: Sep 5, 1986
Inventor
Harold Lipshitz
Assignee (at issue)
The Kendall Company LP
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.