Granted Patent
Utility
US 4,335,817 · App. 06/119,056
Easy openable and closable bag with slide fastener
Inventor:
Karl E. Bahr
Patented Case
View Patent ↗
Granted: Jun 22, 1982
Filed: Feb 6, 1980
Inventor
Karl E. Bahr
Assignee (at issue)
Talon, 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.