Granted Patent
Utility
US 4,538,511 · App. 06/525,840
Signature handling apparatus
Inventor:
James C. Wise
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Aug 24, 1983
Inventor
James C. Wise
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.