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Michael J. Ryan

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  • Plainfield, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Steam trap monitor
    • Patent number 4,764,024
    • Issue date Aug 16, 1988
    • The United States of America as represented by the United States Department o...
    • Michael J. Ryan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Reusable tamper-indicating security seal
    • Patent number 4,389,063
    • Issue date Jun 21, 1983
    • The United States of America as represented by the United States Department o...
    • Michael J. Ryan
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Reusable, tamper-indicating seal
    • Patent number 4,118,057
    • Issue date Oct 3, 1978
    • The United States of America as represented by the United States Department o...
    • Michael J. Ryan
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS