IP Library › Granted Patent US 4,806,707
Granted Patent Utility
US 4,806,707 · App. 07/155,500

3-Dimensional digitizer pen

Inventor: Waldo L. Landmeier
Patented Case View Patent ↗
Granted: Feb 21, 1989 Filed: Feb 12, 1988
Inventor
Waldo L. Landmeier
Assignee (at issue)
CalComp Inc.

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Quick Facts
Patent No.
US 4,806,707
App. No.
07/155,500
Filed
1988-02-12
Granted
1989-02-21
Kind
A