Granted Patent
Utility
US 4,699,348 · App. 06/872,618
Electro-magnetic vibration-damping mount
Inventor:
Tillmann Freudenberg
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Jun 10, 1986
Inventor
Tillmann Freudenberg
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.