Granted Patent
Utility
US 4,835,347 · App. 07/155,267
Shifting wire sequence digitizer system
Inventor:
James S. Watson
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Feb 12, 1988
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.