Janet L. Hammarstrom

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Auburn, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Abrasive wheels with workpiece vision feature
- Patent number 6,846,223
- Issue date Jan 25, 2005
- Saint-Gobain Abrasives Technology Company
- Karen M. Conley
- B24 - GRINDING POLISHING
Information Patent Grant
Abrasive articles and method for preparing them
- Patent number 5,976,204
- Issue date Nov 2, 1999
- Norton Company
- Janet L. Hammarstrom
- B24 - GRINDING POLISHING
Information Patent Grant
Method for preparing mixtures for abrasive articles
- Patent number 5,611,827
- Issue date Mar 18, 1997
- Norton Company
- Janet L. Hammarstrom
- B24 - GRINDING POLISHING
Information Patent Grant
Process of producing self-bonded ceramic abrasive wheels
- Patent number 5,221,294
- Issue date Jun 22, 1993
- Norton Company
- Lee A. Carman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Self-bonded ceramic abrasive wheels
- Patent number 5,160,509
- Issue date Nov 3, 1992
- Norton Company
- Lee A. Carman
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Abrasive wheels with workpiece vision feature
- Publication number 20040009744
- Publication date Jan 15, 2004
- Karen M. Conley
- B24 - GRINDING POLISHING