Granted Patent
Utility
US 4,498,663 · App. 06/535,034
Signature handling apparatus for detection of short signature groups
Inventors:
Richard D. Wamsley, David J. Polman
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Sep 23, 1983
Inventors
Richard D. Wamsley
David J. Polman
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.