Ernest L. Biddle

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Bryn Mawr, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable brinell hardness tester with stented through bore pumping...
- Patent number 9,568,406
- Issue date Feb 14, 2017
- King Tester Corporation
- Ernest L. Biddle
- G01 - MEASURING TESTING
Information Patent Grant
Stroke limiter bracket
- Patent number D729613
- Issue date May 19, 2015
- King Tester Corporation
- Ernest L. Biddle
- D08 - Tools and hardware
Information Patent Grant
Metal hardness tester block having an alphanumeric platted grid
- Patent number D722900
- Issue date Feb 24, 2015
- King Tester Corporation
- Ernest L. Biddle
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Maintenance support for a test head removed from a portable Brinell...
- Patent number D709353
- Issue date Jul 22, 2014
- King Tester Corporation
- Ernest L. Biddle
- D08 - Tools and hardware
Information Patent Grant
Portable Brinell hardness tester
- Patent number 8,590,367
- Issue date Nov 26, 2013
- King Tester Corporation
- Ernest L. Biddle
- G01 - MEASURING TESTING
Information Patent Grant
Brinell hardness indicator with digital readout
- Patent number 4,945,490
- Issue date Jul 31, 1990
- Ernest L. Biddle
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PORTABLE BRINELL HARDNESS TESTER WITH STENTED THROUGH BORE PUMPING...
- Publication number 20150362416
- Publication date Dec 17, 2015
- KING TESTER CORPORATION
- Ernest L. Biddle
- G01 - MEASURING TESTING
Information Patent Application
PORTABLE BRINELL HARDNESS TESTER
- Publication number 20140230529
- Publication date Aug 21, 2014
- KING TESTER CORPORATION
- Ernest L. Biddle
- G01 - MEASURING TESTING
Information Patent Application
PORTABLE BRINELL HARDNESS TESTER
- Publication number 20140102184
- Publication date Apr 17, 2014
- KING TESTER CORPORATION
- Ernest L. Biddle
- G01 - MEASURING TESTING
Information Patent Application
PORTABLE BRINELL HARDNESS TESTER
- Publication number 20130047698
- Publication date Feb 28, 2013
- KING TESTER CORPORATION
- Ernest L. Biddle
- G01 - MEASURING TESTING