John W. Dubbe

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Oakdale, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Dental handpiece brush and method of using the same
- Patent number 6,554,614
- Issue date Apr 29, 2003
- 3M Innovative Properties Company
- John W. Dubbe
- A46 - BRUSHWARE
Information Patent Grant
Dental matrix clamp for tooth restoration procedures
- Patent number 6,293,796
- Issue date Sep 25, 2001
- 3M Innovative Properties Company
- Matthew C. Trom
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dual chamber dispensing cartridge refilling device
- Patent number 5,988,230
- Issue date Nov 23, 1999
- Minnesota Mining and Manufacturing Co.
- Kevin L. Black
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE