Granted Patent
Utility
US 5,123,064 · App. 07/415,169
Hand-held data entry system and removable signature pad module therefor
Inventors:
David C. Hacker, Jerry L. Walter
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Sep 29, 1989
Inventors
David C. Hacker
Jerry L. Walter
Assignee (at issue)
Norand 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.