IP Library › Granted Patent US 4,723,280
Granted Patent Utility
US 4,723,280 · App. 06/747,705

Constant current line circuit

Inventors: Rolf Meier, John A. Barsellotti
Patented Case View Patent ↗
Granted: Feb 2, 1988 Filed: Jun 24, 1985
Inventors
Rolf Meier
John A. Barsellotti
Assignee (at issue)
Mitel Corporation

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Quick Facts
Patent No.
US 4,723,280
App. No.
06/747,705
Filed
1985-06-24
Granted
1988-02-02
Kind
A