Granted Patent
Utility
US 4,914,799 · App. 07/256,816
Method of forming, assembling, and filling a viscous damper
Inventor:
Robert J. S. Kyle
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Oct 12, 1988
Inventor
Robert J. S. Kyle
Assignee (at issue)
Eaton Corporation
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.