Liquid level gauge
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The broken lines shown on the drawings represent unclaimed portions of the design and form no part thereof.
Claims
The ornamental design for a liquid level gauge, as shown and described.
Type: Grant
Filed: Nov 29, 2010
Date of Patent: Jun 19, 2012
Assignee: Rochester Gauges, Inc. (Dallas, TX)
Inventors: Herbert G. Ross, Jr. (Argyle, TX), Gagik Farmanyan (Plano, TX)
Primary Examiner: Antoine D Davis
Attorney: Alvin R. Wirthlin
Application Number: 29/380,010