TREA

Ralph Colonna

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  • St. Helena, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combined document binder and cover holder
    • Patent number 4,934,738
    • Issue date Jun 19, 1990
    • Ralph Colonna
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Container packaging system
    • Patent number 4,911,300
    • Issue date Mar 27, 1990
    • Ralph Colonna
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL