Granted Patent
Utility
US 4,372,234 · App. 06/330,058
Frame structure for a blindstitch hemming machine
Inventors:
Karl H. Killinger, Kenneth M. Johnson, Peter J. Totino
Patented Case
View Patent ↗
Granted: Feb 8, 1983
Filed: Dec 14, 1981
Inventors
Karl H. Killinger
Kenneth M. Johnson
Peter J. Totino
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.