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Mark L. Silberberg
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Fallbrook, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Plumber's level
Patent number
9,551,574
Issue date
Jan 24, 2017
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Grant
Bubble level
Patent number
9,360,315
Issue date
Jun 7, 2016
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Grant
Bubble level
Patent number
9,243,907
Issue date
Jan 26, 2016
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Grant
Bubble level
Patent number
9,234,751
Issue date
Jan 12, 2016
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Grant
Post level
Patent number
9,151,606
Issue date
Oct 6, 2015
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Grant
Post level
Patent number
D730206
Issue date
May 26, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Bubble level
Patent number
9,021,710
Issue date
May 5, 2015
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Grant
Two vial leveling device with thumb screw
Patent number
D722897
Issue date
Feb 24, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Welder's level
Patent number
D722509
Issue date
Feb 17, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Two vial level
Patent number
D722513
Issue date
Feb 17, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Four vial level
Patent number
D722511
Issue date
Feb 17, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Four vial leveling device with tapered ends
Patent number
D722512
Issue date
Feb 17, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Five vial level
Patent number
D722510
Issue date
Feb 17, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Single vial level
Patent number
D722514
Issue date
Feb 17, 2015
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Plumber's level
Patent number
D719470
Issue date
Dec 16, 2014
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Bubble level
Patent number
D694136
Issue date
Nov 26, 2013
Mark L. Silberberg
D10 - Measuring, testing, or signalling instruments
Patents Applications
last 30 patents
Information
Patent Application
Plumber's Level
Publication number
20160109234
Publication date
Apr 21, 2016
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Bubble Level
Publication number
20150308820
Publication date
Oct 29, 2015
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Post Level
Publication number
20150160008
Publication date
Jun 11, 2015
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Five Vial Level
Publication number
20150113819
Publication date
Apr 30, 2015
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Welder's Work Piece Positioning and Leveling Tool
Publication number
20150096182
Publication date
Apr 9, 2015
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Bubble Level
Publication number
20140373371
Publication date
Dec 25, 2014
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Bubble Level
Publication number
20140007439
Publication date
Jan 9, 2014
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Bubble Level
Publication number
20140007438
Publication date
Jan 9, 2014
Mark L. Silberberg
G01 - MEASURING TESTING
Information
Patent Application
Bubble Level
Publication number
20130340270
Publication date
Dec 26, 2013
Mark L. Silberberg
G01 - MEASURING TESTING