Granted Patent
Utility
US 5,000,478 · App. 07/496,195
Shock absorber with Doppler fluid velocity sensor
Inventor:
Michael W. Kerastas
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Mar 15, 1990
Inventor
Michael W. Kerastas
Assignee (at issue)
Monroe Auto Equipment Company
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.