IP Library Granted Patent US 4,520,449
Granted Patent Utility
US 4,520,449 · App. 06/399,538

Phase angle detector

Inventors: Edwin A. Johnson, Chun K. Leung
Patented Case View Patent ↗
Granted: May 28, 1985 Filed: Jul 19, 1982
Inventors
Edwin A. Johnson
Chun K. Leung
Assignee (at issue)
ALLIED CONSULTING, INC.

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Quick Facts
Patent No.
US 4,520,449
App. No.
06/399,538
Filed
1982-07-19
Granted
1985-05-28
Kind
A