Granted Patent
Utility
US 5,373,118 · App. 08/140,855
Half normal frequency regime phase encoding in cordless digitizers
Inventor:
James S. Watson
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Oct 25, 1993
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.