TREA

Robert A. Hackenberg

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  • East Lyme, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Auto platform carton
    • Patent number 4,394,905
    • Issue date Jul 26, 1983
    • Robertson Paper Box Co., Inc.
    • Robert A. Hackenberg
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Double-walled carton and blank for forming same
    • Patent number 4,388,999
    • Issue date Jun 21, 1983
    • Robertson Paper Box Co., Inc.
    • Chapman Berry
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Two bulb carton
    • Patent number 4,185,766
    • Issue date Jan 29, 1980
    • Robertson Paper Box Co., Inc.
    • Thomas L. Davidson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Easy-fill box
    • Patent number 4,121,754
    • Issue date Oct 24, 1978
    • Robertson Paper Box Co., Inc.
    • Robert A. Hackenberg
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL