LeRoy J. Lundblad

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St. Paul, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for etching-manufacture of cylindrical elements
- Patent number 6,537,459
- Issue date Mar 25, 2003
- BMC Industries, Inc.
- Michael J. Dufresne
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and apparatus for etching-manufacture of cylindrical elements
- Patent number 6,086,773
- Issue date Jul 11, 2000
- BMC Industries, Inc.
- Michael J. Dufresne
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for etching-manufacture of cylindrical elements
- Publication number 20040026359
- Publication date Feb 12, 2004
- Michael J. Dufresne
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...