Patents Assigned to Peggy E. Tolonen
  • Method for grinding materials
    Patent number: 5115988
    Abstract: A transfergrinder device for grinding a feed material. The transfergrinder device includes a grinding stator assembly and a grinding rotor assembly disposed generally axially concentric within the grinding stator assembly. The grinding stator assembly and grinding rotor assembly are maintained in generally spaced relationship from each other to define a grinding plane therebetween.
    Type: Grant
    Filed: March 4, 1991
    Date of Patent: May 26, 1992
    Assignee: Peggy E. Tolonen
    Inventor: Eric O. Tolonen