Daniel C. Portman

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South Attleboro, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Brush filament bundles and preparation thereof
- Patent number 7,217,332
- Issue date May 15, 2007
- The Gillette Company
- William R. Brown, Jr.
- A46 - BRUSHWARE

Patents Applicationslast 30 patents

Information Patent Application
Brush filament bundles and preparation thereof
- Publication number 20040048063
- Publication date Mar 11, 2004
- William R. Brown
- A46 - BRUSHWARE
Information Patent Application
Handles for personal care products
- Publication number 20030070309
- Publication date Apr 17, 2003
- William R. Brown
- B26 - HAND CUTTING TOOLS CUTTING SEVERING