Granted Patent
Utility
US 5,622,129 · App. 08/546,266
Pneumatic tensioning arm for automated sewing machine
Inventor:
Johannes Sahl
Patented Case
View Patent ↗
Granted: Apr 22, 1997
Filed: Oct 20, 1995
Inventor
Johannes Sahl
Assignee (at issue)
Jet Sew Technologies, 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.