TREA

Donald J. Henderson

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  • Traverse City, MI, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door with membrane attached to tambour slats guided by a track
    • Patent number 5,549,149
    • Issue date Aug 27, 1996
    • Siltech Products Incorporated
    • Arthur A. Sills
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Bath tub having side access
    • Patent number 5,446,929
    • Issue date Sep 5, 1995
    • Siltech Products, Inc.
    • Arthur A. Sills
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Bathtub
    • Patent number D355245
    • Issue date Feb 7, 1995
    • Siltech Products Incorporated
    • Arthur A. Sills
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Bath tub having side access
    • Patent number 5,351,345
    • Issue date Oct 4, 1994
    • Siltech Products Incorporated
    • Arthur A. Sills
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...