Granted Patent
Utility
US 4,509,730 · App. 06/436,330
Flexible wall spring damper
Inventor:
Emile M. Shtarkman
Patented Case
View Patent ↗
Granted: Apr 9, 1985
Filed: Oct 25, 1982
Inventor
Emile M. Shtarkman
Assignee (at issue)
Imperial Clevite 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.