Granted Patent
Utility
US 4,624,435 · App. 06/602,299
Electro-magnetic vibration-damping mount
Inventor:
Tillmann Freudenberg
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Apr 20, 1984
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.