Jan De Boer

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Drachten, NL

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Patents Grantslast 30 patents

Information Patent Grant
Shaving apparatus with electrically adjustable cutting unit
- Patent number 5,687,481
- Issue date Nov 18, 1997
- U.S. Philips Corporation
- Jan De Boer
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Shaving apparatus
- Patent number 5,625,950
- Issue date May 6, 1997
- U.S. Philips Corporation
- Olivier Sterk
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Dry-shaving apparatus
- Patent number 4,050,151
- Issue date Sep 27, 1977
- U.S. Philips Corporation
- Jan de Boer
- B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information Patent Grant
Dry shaver with an extendible trimmer
- Patent number 3,997,967
- Issue date Dec 21, 1976
- U.S. Philips Corporation
- Jan De Boer
- B26 - HAND CUTTING TOOLS CUTTING SEVERING