IP Library Granted Patent US 5,227,909
Granted Patent Utility
US 5,227,909 · App. 07/767,462

Single coil digitizer-coupled image scanner

Inventor: James S. Watson
Patented Case View Patent ↗
Granted: Jul 13, 1993 Filed: Sep 30, 1991
Inventor
James S. Watson
Assignee (at issue)
CalComp 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.

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Quick Facts
Patent No.
US 5,227,909
App. No.
07/767,462
Filed
1991-09-30
Granted
1993-07-13
Kind
A