J. Darrin Holt

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Raleigh, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for determining tension in a rod
- Patent number 8,176,800
- Issue date May 15, 2012
- FDH Engineering, Inc.
- Mark Cesare
- G01 - MEASURING TESTING
Information Patent Grant
Method of determining tension in a rod
- Patent number 8,096,195
- Issue date Jan 17, 2012
- FDH Engineering, Inc.
- Mark Cesare
- G01 - MEASURING TESTING
Information Patent Grant
Method of mapping steel reinforcements in concrete foundations
- Patent number 7,548,192
- Issue date Jun 16, 2009
- FDH Engineering, Inc.
- J. Darrin Holt
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
DETERMINING RESIDUAL TENSION IN THREADED FASTENERS
- Publication number 20230213401
- Publication date Jul 6, 2023
- FDH INFRASTRUCTURE SERVICES, LLC
- Armita Mohammadian
- G01 - MEASURING TESTING
Information Patent Application
Method of Determining Tension in a Rod
- Publication number 20110130975
- Publication date Jun 2, 2011
- FDH ENGINEERING, INC.
- Mark Cesare
- G01 - MEASURING TESTING
Information Patent Application
Method for Determining Tension in a Rod
- Publication number 20110036180
- Publication date Feb 17, 2011
- FDH ENGINEERING, INC.
- Mark A. Cesare
- G01 - MEASURING TESTING