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Donald E. Dean

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  • San Pedro, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety seat closure
    • Patent number 4,575,879
    • Issue date Mar 18, 1986
    • Chavelo Cabral
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Hot air welder for welding roofing material
    • Patent number 4,440,588
    • Issue date Apr 3, 1984
    • Edward J. Stevenson
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for forming plastic sheets
    • Patent number 4,039,643
    • Issue date Aug 2, 1977
    • Formex Manufacturing, Inc.
    • Donald E. Dean
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL