Granted Patent
Utility
US 5,765,751 · App. 08/686,730
Controlled release of volatile substances
Inventor:
Ashok V. Joshi
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Jul 26, 1996
Inventor
Ashok V. Joshi
Assignee (at issue)
Ceramatec, 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.