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MICHAEL LYNN SANDEFUR

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  • EVANSVILLE, IN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Visual signaling system
    • Patent number 12,211,372
    • Issue date Jan 28, 2025
    • SafeEVAC, Inc.
    • Michael Joseph Day
    • G08 - SIGNALLING

Patents Applicationslast 30 patents

  • Information Patent Application

    VISUAL SIGNALING SYSTEM
    • Publication number 20230080166
    • Publication date Mar 16, 2023
    • SAFEEVAC, INC.
    • Michael Joseph Day
    • G08 - SIGNALLING
  • Information Patent Application

    SECURITY SYSTEM
    • Publication number 20190295207
    • Publication date Sep 26, 2019
    • MICHAEL JOSEPH DAY
    • G06 - COMPUTING CALCULATING COUNTING