Michael J. Dufresne

Follow

Person

Inver Grove Heights, MN, US

People

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
Etching of metallic composite articles
- Patent number 6,468,439
- Issue date Oct 22, 2002
- BMC Industries, Inc.
- Donald A. Whitehurst
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Circuit manufacturing using etched tri-metal media
- Patent number 6,365,057
- Issue date Apr 2, 2002
- BMC Industries, Inc.
- Donald A. Whitehurst
- 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...