Granted Patent
Utility
US 4,577,848 · App. 06/754,204
Method and apparatus for controlling the actuation of gripper arms
Inventor:
Kenneth A. Hams
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: Jul 11, 1985
Inventor
Kenneth A. Hams
Assignee (at issue)
Bell and Howell, LLC
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.