Granted Patent
Utility
US 4,645,189 · App. 06/730,770
Hydraulic damping rubber engine mount
Inventor:
Jorn-Rainer Quast
Patented Case
View Patent ↗
Granted: Feb 24, 1987
Filed: May 3, 1985
Inventor
Jorn-Rainer Quast
Assignee (at issue)
Boge 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.