Fredrick M. Berk

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Brookline, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Dental mirror
- Patent number 6,595,775
- Issue date Jul 22, 2003
- Pulpdent Corporation
- Kenneth J. Berk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental mirror and protective mask with integral removal tab
- Patent number 6,474,989
- Issue date Nov 5, 2002
- Pulpdent
- Kenneth J. Berk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dental amalgam carrier with replaceable sleeves and cartridges
- Patent number 6,159,009
- Issue date Dec 12, 2000
- Pulpdent Corporation
- Kenneth J. Berk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Disposable dental mirror
- Patent number 6,142,777
- Issue date Nov 7, 2000
- Pulpdent Corporation
- Paul E. Winston
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Disposable mixing wells
- Patent number 6,000,535
- Issue date Dec 14, 1999
- Pulpdent Corporation
- Kenneth J. Berk
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Small object handling device, assembly and method of manufacture
- Patent number 5,181,755
- Issue date Jan 26, 1993
- Pulpdent Corporation
- Lawrence J. Stanwich
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE