Granted Patent
Utility
US 4,880,690 · App. 07/243,152
Perfume patch
Inventors:
Michael Szycher, Jonathan L. Rolfe
Patented Case
View Patent ↗
Granted: Nov 14, 1989
Filed: Sep 9, 1988
Inventors
Michael Szycher
Jonathan L. Rolfe
Assignee (at issue)
Thermedics, Inc.
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.