Granted Patent
Utility
US 5,210,397 · App. 07/832,878
Differentiating and integrating circuit for translating bar code signals into corresponding pulses
Inventor:
Jay M. Eastman
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Feb 10, 1992
Inventor
Jay M. Eastman
Assignee (at issue)
PSC, INC.
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.