IP Library › Granted Patent US 5,278,426
Granted Patent Utility
US 5,278,426 · App. 08/006,787

Optical liquid level sensor for pressurized systems utilizing prismatic element

Inventor: William J. Barbier
Patented Case View Patent ↗
Granted: Jan 11, 1994 Filed: Jan 21, 1993
Inventor
William J. Barbier

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Quick Facts
Patent No.
US 5,278,426
App. No.
08/006,787
Filed
1993-01-21
Granted
1994-01-11
Kind
A