TREA

Abram Nathaniel Spanel

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  • Princeton, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electroacoustical telephone adapter
    • Patent number 4,115,659
    • Issue date Sep 19, 1978
    • Spanel; Abram N.
    • Abram N. Spanel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone control apparatus
    • Patent number 4,079,196
    • Issue date Mar 14, 1978
    • Abram Nathaniel Spanel
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE