Granted Patent
Utility
US 4,846,299 · App. 07/145,584
Coupling assemblies
Inventors:
Helmut Wiese, Herbert Taureg
Patented Case
View Patent ↗
Granted: Jul 11, 1989
Filed: Jan 19, 1988
Inventors
Helmut Wiese
Herbert Taureg
Assignee (at issue)
Viscodrive GmbH
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.