Granted Patent
Utility
US 5,374,093 · App. 07/805,120
Gripper assembly
Inventor:
Andrew Klopfenstein
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Dec 10, 1991
Inventor
Andrew Klopfenstein
Assignee (at issue)
AM International, Inc.
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.