Ronald H. van de Merwe

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Northborough, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sintered sol gel alumina abrasive filaments
- Patent number 5,244,477
- Issue date Sep 14, 1993
- Norton Company
- Charles V. Rue
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Sintered sol gel alumina abrasive filaments
- Patent number 5,194,072
- Issue date Mar 16, 1993
- Norton Company
- Charles V. Rue
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING