Granted Patent
Utility
US 4,498,381 · App. 06/518,014
Signature transfer vehicle with stack clamping mechanism
Inventor:
Frank H. Convey, Jr.
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Jul 28, 1983
Inventor
Frank H. Convey, Jr.
Assignee (at issue)
Harris Graphics
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.