Granted Patent
Utility
US 4,635,151 · App. 06/694,704
Rotary actuator having preloaded spring crash stop
Inventor:
Henry Hazebrouck
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Jan 25, 1985
Inventor
Henry Hazebrouck
Assignee (at issue)
Priam Corporation
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.