Granted Patent
Utility
US 6,092,632 · App. 08/941,912
Gas spring with temperature compensation
Inventors:
Mark A. Popjoy, Robert Kopf
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Oct 1, 1997
Inventors
Mark A. Popjoy
Robert Kopf
Assignee (at issue)
Fichtel & Sachs Industries, 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.