Patents Assigned to The Confederated Tribes of Warm Springs Reservation
  • Method of making a pattern from a blend of water, plaster of paris and polyvinyl acetate
    Patent number: 5441585
    Abstract: A machinable plaster prepared from a blend of water, plaster of paris and polyvinyl acetate. Making a pattern where the blend is poured into a form, and after solidification is cut to produce the pattern. The machinable plaster does not dust when cut, and can withstand moderate temperatures without softening.
    Type: Grant
    Filed: May 10, 1994
    Date of Patent: August 15, 1995
    Assignee: The Confederated Tribes of Warm Springs Reservation
    Inventors: Philip A. Rodda, Alan L. Earnest