Douglas J. Chaput

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Mahtomedi, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Variable thickness stamper for creation of flat molded substrates
- Patent number 6,961,950
- Issue date Nov 1, 2005
- Imation Corp.
- Donald J. Kerfeld
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Variable thickness stamper for creation of flat molded substrates
- Publication number 20030043731
- Publication date Mar 6, 2003
- Imation Corp.
- Donald J. Kerfeld
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL