IP Library › Granted Patent US 4,853,499
Granted Patent Utility
US 4,853,499 · App. 07/283,509

Ground switching technique for silkscreened digitizer grids

Inventor: James S. Watson
Patented Case View Patent ↗
Granted: Aug 1, 1989 Filed: Dec 12, 1988
Inventor
James S. Watson
Assignee (at issue)
CalComp Inc.

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Quick Facts
Patent No.
US 4,853,499
App. No.
07/283,509
Filed
1988-12-12
Granted
1989-08-01
Kind
A