Lanny L. Harklau

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Stillwater, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Low cost thickness measurement method and apparatus for thin coatings
- Patent number 6,252,237
- Issue date Jun 26, 2001
- 3M Innovation Properties Company
- John A. Ramthun
- G01 - MEASURING TESTING
Information Patent Grant
Method for measuring residual radiation-curable monomers or oligomers
- Patent number 5,574,288
- Issue date Nov 12, 1996
- Minnesota Mining and Manufacturing Company
- Lanny L. Harklau
- G01 - MEASURING TESTING
Information Patent Grant
Fluorescent spectral differential measurement of a substrate coating
- Patent number 5,464,986
- Issue date Nov 7, 1995
- Minnesota Mining and Manufacturing Company
- Jeffrey A. Boettcher
- G01 - MEASURING TESTING
Information Patent Grant
Multiple layer caliper measurements using photoisomers
- Patent number 5,453,625
- Issue date Sep 26, 1995
- Minnesota Mining and Manufacturing Company
- Del R. Lawson
- G01 - MEASURING TESTING