Wijtse Bergsma

Person

  • Drachten, NL

Patents Grantslast 30 patents

  • Information Patent Grant

    Dry-shaving apparatus with a holder for circular cutting units

    • Patent number 4,711,028
    • Issue date Dec 8, 1987
    • U.S. Philips Corporation
    • Wijtse Bergsma
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving appliance

    • Patent number 4,698,908
    • Issue date Oct 13, 1987
    • U.S. Philips Corporation
    • Wijtse Bergsma
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving apparatus

    • Patent number 4,442,597
    • Issue date Apr 17, 1984
    • U.S. Philips Corporation
    • Wijtse Bergsma
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving apparatus

    • Patent number 4,355,464
    • Issue date Oct 26, 1982
    • U.S. Philips Corporation
    • Wijtse Bergsma
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING
  • Information Patent Grant

    Shaving apparatus

    • Patent number 4,318,223
    • Issue date Mar 9, 1982
    • U.S. Philips Corporation
    • Wijtse Bergsma
    • B26 - HAND CUTTING TOOLS CUTTING SEVERING