Ralph F. Rogers

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Woodbury, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Delivery system for non-aqueous paste dental materials
- Patent number 5,848,894
- Issue date Dec 15, 1998
- Minnesota Mining and Manufacturing Company
- Ralph F. Rogers
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Cartridge dispensing system for dental material
- Patent number 5,722,829
- Issue date Mar 3, 1998
- Minnesota Mining and Manufacturing Co.
- Malcolm W. Wilcox
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Syringe tip forming apparatus
- Patent number 5,295,827
- Issue date Mar 22, 1994
- Minnesota Mining and Manufacturing Company
- Jon W. Fundingsland
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE