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G01N2021/8902

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GPHYSICS G01Measuring instruments G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES

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G01N2021/8902Anamorphic spot

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Patents Grantslast 30 patents

Information Patent Grant
Advanced via inspection tool (AVIT)
- Patent number 5,216,485
- Issue date Jun 1, 1993
- International Business Machines Corporation
- Kenneth A. Bird
- G01 - MEASURING TESTING
Information Patent Grant
Scanning apparatus
- Patent number 5,054,930
- Issue date Oct 8, 1991
- Intec, Corp.
- Alexander Adelson
- G02 - OPTICS
Information Patent Grant
Method and apparatus for detecting the presence of flaws in a movin...
- Patent number 4,972,091
- Issue date Nov 20, 1990
- Canadian Patents and Development Limited/Societe Canadienne des Brevets et d'...
- Paolo Cielo
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus for detecting the presence or absence of overlap at tape...
- Patent number 4,897,540
- Issue date Jan 30, 1990
- Fuji Photo Film Co., Ltd.
- Masaaki Sakaguchi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents