Granted Patent
Utility
US 4,609,081 · App. 06/630,516
Hydraulic snubber
Inventor:
Emory D. Hungerford
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Jul 12, 1984
Inventor
Emory D. Hungerford
Assignee (at issue)
ESCO GROUP LLC
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.