David Fisher

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Penndel, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Test head assembly for use in testing protective masks
- Patent number 9,612,176
- Issue date Apr 4, 2017
- Hamilton Associates, Inc.
- Eric Allen Hanson
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
TEST HEAD ASSEMBLY FOR USE IN TESTING PROTECTIVE MASKS
- Publication number 20150268124
- Publication date Sep 24, 2015
- HAMILTON ASSOCIATES, INC.
- Eric Allen Hanson
- G01 - MEASURING TESTING