TREA

Frank Doerner

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  • Kitchener, Ontario, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lateral adjustment mechanism for a chair armrest support
    • Patent number D378480
    • Issue date Mar 18, 1997
    • Doerner Products Ltd.
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Chair seat tilting mechanism
    • Patent number 5,573,303
    • Issue date Nov 12, 1996
    • Doerner Products Ltd.
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair armrest adjustment mechanism
    • Patent number 5,484,187
    • Issue date Jan 16, 1996
    • Doerner Products Ltd.
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair control
    • Patent number D292459
    • Issue date Oct 27, 1987
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Chair control
    • Patent number D290073
    • Issue date Jun 2, 1987
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Chair control release and locking cam for tiltable chairs
    • Patent number D289590
    • Issue date May 5, 1987
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Chair control release and locking cam for tiltable chairs
    • Patent number D288629
    • Issue date Mar 10, 1987
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Hinge element for chairs or the like
    • Patent number D286975
    • Issue date Dec 2, 1986
    • Frank Doerner
    • D08 - Tools and hardware
  • Information Patent Grant

    Chair control
    • Patent number D285633
    • Issue date Sep 16, 1986
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Cover for chair leg
    • Patent number 4,534,533
    • Issue date Aug 13, 1985
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair control
    • Patent number D278961
    • Issue date May 28, 1985
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Cover for chair leg
    • Patent number D278012
    • Issue date Mar 19, 1985
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Leg for chair base and cap therefore
    • Patent number 4,412,667
    • Issue date Nov 1, 1983
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Base portion for tiltable chair
    • Patent number 4,253,632
    • Issue date Mar 3, 1981
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Combined gas cylinder and control handle for a chair
    • Patent number D252786
    • Issue date Sep 4, 1979
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Chair control for a tiltable stenographer's chair
    • Patent number 4,123,103
    • Issue date Oct 31, 1978
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair control
    • Patent number D247943
    • Issue date May 23, 1978
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Chair control
    • Patent number D246558
    • Issue date Dec 6, 1977
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Chair control unit
    • Patent number D246217
    • Issue date Nov 1, 1977
    • Frank Doerner
    • D06 - Furnishings
  • Information Patent Grant

    Safety feature for chair controls
    • Patent number 4,014,086
    • Issue date Mar 29, 1977
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Chair control for tiltable chairs
    • Patent number 4,013,258
    • Issue date Mar 22, 1977
    • Frank Doerner
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Method of seating a bearing
    • Patent number 3,935,631
    • Issue date Feb 3, 1976
    • Frank Doerner
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR