Granted Patent
Utility
US 4,401,298 · App. 06/437,900
Flexible column viscous spring damper
Inventors:
Gerald E. Eaton, Emile M. Shtarkman
Patented Case
View Patent ↗
Granted: Aug 30, 1983
Filed: Nov 1, 1982
Inventors
Gerald E. Eaton
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.