Granted Patent
Utility
US 4,372,233 · App. 06/233,799
Safety general purpose presser foot for straight and zig zag stitching
Inventor:
Charles R. Odermann
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Feb 12, 1981
Inventor
Charles R. Odermann
Assignee (at issue)
The Singer Company Limited
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.