T. Craig Masterman

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Foster City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Gum-massaging oral brush
- Patent number 6,151,745
- Issue date Nov 28, 2000
- Gillette Canada, Inc.
- Michael F. Roberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Gum-massaging oral brush
- Patent number 5,987,688
- Issue date Nov 23, 1999
- Gillette Canada Inc.
- Michael F. Roberts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL