Granted Patent
Utility
US 5,460,251 · App. 08/305,205
Adjustable speed gas spring
Inventor:
Mark Steven Jeffries
Patented Case
View Patent ↗
Granted: Oct 24, 1995
Filed: Sep 13, 1994
Inventor
Mark Steven Jeffries
Assignee (at issue)
AVM, 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.