TREA

Earl L. Beyl Jr.

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  • Louisville, KY, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sound actuator
    • Patent number 4,293,851
    • Issue date Oct 6, 1981
    • Earl Beyl
    • G08 - SIGNALLING
  • Information Patent Grant

    Sequential light circuit
    • Patent number 4,284,954
    • Issue date Aug 18, 1981
    • Traintronics Inc.
    • Earl L. Beyl
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Electronic horn arrangement
    • Patent number 4,204,200
    • Issue date May 20, 1980
    • Traintronics, Inc.
    • Earl L. Beyl
    • G08 - SIGNALLING