TREA

Robert Maddestra

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  • Canton, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Display stand
    • Patent number 4,234,148
    • Issue date Nov 18, 1980
    • Damon Corporation
    • Robert Maddestra
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Interconnecting piece for an educational pegboard
    • Patent number D244307
    • Issue date May 10, 1977
    • Damon Corporation
    • Robert Maddestra
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Educational block with replaceable chip
    • Patent number 4,003,144
    • Issue date Jan 18, 1977
    • Damon Corporation
    • Robert Maddestra
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS