Stephen Langstaff

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Wigton, GB

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Patents Grantslast 30 patents

Information Patent Grant
Authentication of articles by white light interferometry and birefr...
- Patent number 10,175,039
- Issue date Jan 8, 2019
- Innovia Films Limited
- Stephen Langstaff
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
AUTHENTICATION OF ARTICLES
- Publication number 20130155421
- Publication date Jun 20, 2013
- Stephen Langstaff
- G01 - MEASURING TESTING