Granted Patent
Utility
US 4,496,033 · App. 06/334,707
Dual piston actuator
Inventors:
John M. Hall, Milan Pantic
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Dec 28, 1981
Inventors
John M. Hall
Milan Pantic
Assignee (at issue)
Goodyear Aerospace 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.