Ronald L. Sitzema

Person

  • Charlevoix, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Visual display panel

    • Patent number 5,321,417
    • Issue date Jun 14, 1994
    • Daktronics, Inc.
    • Vernon P. Voelzke
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS