Patents Assigned to Venture Management Sciences Inc.
  • Patent number: 5213121
    Abstract: A brush holder mounted on a container of cleaning fluid includes clips engaging the handles of one or more brushes to support the brushes with the bristles thereof extending vertically into the cleaning fluid. Two vertically-spaced motor-driven cranks, rotatable in synchronism with each other about vertically spaced horizontal axes, have a horizontally extending crank pin, the lower crank pin being received in a hole in the brush holder, and the upper crank pin being received in a slot in the brush holder.
    Type: Grant
    Filed: September 16, 1991
    Date of Patent: May 25, 1993
    Assignee: Venture Management Sciences Inc.
    Inventors: Lawrence B. O'Brien, Walter E. Winston
  • Patent number: D348337
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: June 28, 1994
    Assignee: Venture Management Sciences Inc.
    Inventors: Lawrence B. O'Brien, deceased, Walter E. Winston