Granted Patent
Utility
US 4,775,059 · App. 06/849,883
Support construction for a pivotal joint
Inventors:
Hilmar Forster, Joachim Kreher
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Apr 9, 1986
Inventors
Hilmar Forster
Joachim Kreher
Assignee (at issue)
Scharfenbergkupplung 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.