Granted Patent
Utility
US 4,349,943 · App. 06/154,649
Slide fastener stringer elements with tongues and grooved heads
Inventor:
George B. Moertel
Patented Case
View Patent ↗
Granted: Sep 21, 1982
Filed: May 30, 1980
Inventor
George B. Moertel
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.