Granted Patent
Utility
US 4,265,190 · App. 05/911,570
Sewing aid for slide fastener and method
Inventor:
George B. Moertel
Patented Case
View Patent ↗
Granted: May 5, 1981
Filed: Jun 1, 1978
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.