Granted Patent
Utility
US 4,570,557 · App. 06/658,126
Apparatus for folding and reinforcing an edge portion of fabrics
Inventor:
Johannes Freermann
Patented Case
View Patent ↗
Granted: Feb 18, 1986
Filed: Oct 5, 1984
Inventor
Johannes Freermann
Assignee (at issue)
Carl Schmale GmbH & Co.
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.