Granted Patent
Utility
US 4,609,365 · App. 06/432,768
Drive apparatus containing a universal link chain
Inventor:
Jurg Eberle
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Oct 4, 1982
Inventor
Jurg Eberle
Assignee (at issue)
Feramatic AG
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.