Granted Patent
Utility
US 4,593,847 · App. 06/729,422
Bypass clincher for stitching machine
Inventor:
Casper W. Hagemann
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: May 1, 1985
Inventor
Casper W. Hagemann
Assignee (at issue)
The Interlake Companies, 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.