Granted Patent
Utility
US 5,984,167 · App. 09/115,926
Envelope with tab locks and cassette holder
Inventor:
Harry I. Roccaforte
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Jul 15, 1998
Inventor
Harry I. Roccaforte
Assignee (at issue)
Rock-Tenn 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.