TREA

Allen E. Rogers

Follow

Person

  • Owatonna, MN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    First-in first-out vending machine
    • Patent number 6,415,953
    • Issue date Jul 9, 2002
    • Vendtronics Inc
    • David P. O'Brien
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Visual note display apparatus
    • Patent number 4,331,062
    • Issue date May 25, 1982
    • Allen E. Rogers
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS