Two vial leveling device with thumb screw
Description
Claims
The ornamental design for a “two vial leveling device with thumb screw”, as shown and described.
Referenced Cited
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Patent History
Patent number: D722897
Type: Grant
Filed: Jan 9, 2014
Date of Patent: Feb 24, 2015
Inventor: Mark L. Silberberg (Fallbrook, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/478,916
Type: Grant
Filed: Jan 9, 2014
Date of Patent: Feb 24, 2015
Inventor: Mark L. Silberberg (Fallbrook, CA)
Primary Examiner: Antoine D Davis
Application Number: 29/478,916
Classifications
Current U.S. Class:
Spirit Level (D10/69)