Granted Patent
Utility
US 5,246,213 · App. 07/980,866
Hydraulic mount for improved idle and high frequency isolation
Inventors:
Andrew Zup, James P. Hamberg
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Nov 24, 1992
Inventors
Andrew Zup
James P. Hamberg
Assignee (at issue)
General Motors LLC
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.