Robert Neilsen & Associates, Ltd.

Organization

  • Rolling Meadows, IL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Directional information sign

    • Patent number 5,230,174
    • Issue date Jul 27, 1993
    • Robert Neilsen & Associates, Ltd.
    • A. Harold Reed
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS