Granted Patent
Utility
US 5,189,776 · App. 07/778,941
Roller
Inventor:
Karl-Heinz Kusters
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Feb 6, 1992
Inventor
Karl-Heinz Kusters
Assignee (at issue)
Eduard Kusters Maschinefabrik GmbH & Co. KG
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.