Granted Patent
Utility
US 4,236,683 · App. 05/689,414
Coupling element for slide fastener and method of manufacture
Inventor:
George B. Moertel
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: May 24, 1976
Inventor
George B. Moertel
Assignee (at issue)
Textron 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.