Granted Patent
Utility
US 5,282,298 · App. 07/706,593
Pile-edge detector for pile-fabric treatment machine
Inventor:
Johannes Freermann
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: May 28, 1991
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.