TREA

Evan Potratz

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  • Des Moines, IA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tip meter
    • Patent number 8,494,659
    • Issue date Jul 23, 2013
    • Amy McIntosh
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    Tip Meter
    • Publication number 20090322555
    • Publication date Dec 31, 2009
    • Amy McIntosh
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS