IP Library › Granted Patent US 6,225,985
Granted Patent Utility
US 6,225,985 · App. 09/277,571

Acoustic touchscreen constructed directly on a cathode ray tube

Inventors: Donald B. Armstrong, Joel C. Kent, James Roney
Patented Case View Patent ↗
Granted: May 1, 2001 Filed: Mar 26, 1999
Inventors
Donald B. Armstrong
Joel C. Kent
James Roney
Assignee (at issue)
ELO TouchSystems, Inc.

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Quick Facts
Patent No.
US 6,225,985
App. No.
09/277,571
Filed
1999-03-26
Granted
2001-05-01
Kind
A