James A. Weldon

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Eagan, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Compliant lens block and tape
- Patent number 6,074,290
- Issue date Jun 13, 2000
- Minnesota Mining and Manufacturing Company
- John H. Ko
- B24 - GRINDING POLISHING
Information Patent Grant
Thermoplastic lens blocking material
- Patent number 5,885,700
- Issue date Mar 23, 1999
- Minnesota Mining and Manufacturing Company
- James A. Weldon
- B24 - GRINDING POLISHING
Information Patent Grant
Method of processing a lens and means for use in the method
- Patent number 5,520,568
- Issue date May 28, 1996
- Minnesota Mining and Manufacturing Company
- Lawrence W. Craighead
- B24 - GRINDING POLISHING
Information Patent Grant
Fan folded abrasive discs
- Patent number 4,893,438
- Issue date Jan 16, 1990
- Minnesota Mining and Manufacturing Company
- Richard L. Fry
- B24 - GRINDING POLISHING