John A. Christiansen

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Extensometer structure
- Patent number 10,852,118
- Issue date Dec 1, 2020
- MTS Systems Corporation
- Richard A. Meyer
- G01 - MEASURING TESTING
Information Patent Grant
Side loading specimen grip
- Patent number 4,537,080
- Issue date Aug 27, 1985
- MTS Systems Corporation
- John A. Christiansen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
EXTENSOMETER STRUCTURE
- Publication number 20190178619
- Publication date Jun 13, 2019
- MTS Systems Corporation
- Richard A. Meyer
- G01 - MEASURING TESTING