Granted Patent
Utility
US 5,219,152 · App. 07/713,369
Adjustable-stroke spring and shock absorber device
Inventors:
Michel Derrien, Dominique Rouzaud
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Jun 12, 1991
Inventors
Michel Derrien
Dominique Rouzaud
Assignee (at issue)
MESSIER-BUGATTI
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.