Granted Patent
Utility
US 4,290,359 · App. 06/005,218
Dampening assembly
Inventor:
Vinod Kapoor
Patented Case
View Patent ↗
Granted: Sep 22, 1981
Filed: Jan 22, 1979
Inventor
Vinod Kapoor
Assignee (at issue)
Butler Greenwich Inc.
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.