Patents Assigned to Robert Whipple
  • Can crusher
    Patent number: 4240341
    Abstract: A can crushing apparatus is disclosed comprising a reciprocating head which reciprocates between two fixed walls whereby on each stroke of the head, two crushing operations are performed. Automatic can feeding means, having safety switch prime mover activation capability mounted thereon, is provided. A trash container closure base for said apparatus is also disclosed.
    Type: Grant
    Filed: December 6, 1978
    Date of Patent: December 23, 1980
    Assignee: Robert Whipple
    Inventors: Robert L. Whipple, William F. Warren