Granted Patent
Utility
US 5,123,353 · App. 07/725,129
Plate lock-up apparatus
Inventor:
John Thomas Beck
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Jul 3, 1991
Inventor
John Thomas Beck
Assignee (at issue)
Rockwell International 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.