Derek J. Richards

Person

  • Gloucester, GB

Patents Grantslast 30 patents

  • Information Patent Grant

    Combined bathtub and invalid chair hoist

    • Patent number D338059
    • Issue date Aug 3, 1993
    • Arjo Limited
    • Derek J. Richards
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Hoist chair

    • Patent number D337443
    • Issue date Jul 20, 1993
    • Arjo Limited
    • Derek J. Richards
    • D06 - Furnishings