Patents Assigned to Warren Aldrich
  • Sifter
    Patent number: 4534858
    Abstract: A sifter has a casing that is detachably coupled with a screen unit that also has a casing. A sifter handle is configured for detachable coupling to a conventional electric knife drive.
    Type: Grant
    Filed: June 4, 1984
    Date of Patent: August 13, 1985
    Assignee: Warren Aldrich
    Inventors: Warren S. Aldrich, Brian Ingersoll