TREA

Charles W. Haldeman

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  • Concord, MA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nuclear power demonstrating
    • Patent number 4,216,593
    • Issue date Aug 12, 1980
    • Megatech Corporation
    • Vahan V. Basmajian
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Transparent internal combustion engine
    • Patent number RE30253
    • Issue date Apr 8, 1980
    • Megatech Corporation
    • Charles W. Haldeman
    • 123 - Internal-combustion engines