Granted Patent
Utility
US 4,554,496 · App. 06/469,928
Controllable rotary actuator
Inventors:
George Rudich, Jr., Charles F. Beeson, Gary L. Bartley, Terry A. Heckenbach
Patented Case
View Patent ↗
Granted: Nov 19, 1985
Filed: Feb 25, 1983
Inventors
George Rudich, Jr.
Charles F. Beeson
Gary L. Bartley
Terry A. Heckenbach
Assignee (at issue)
Johnson Service 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.