Patents by Inventor Ronald A. DeMeyer

Ronald A. DeMeyer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Protective mask
    Patent number: 4406246
    Abstract: A protective mask for protecting a portion of a surface area of a generally non-porous member wherein the portion of the area to be protected is substantially smooth. The mask encloses a housing having a back face and a plurality of enclosing side walls, suction means for attaching the mask to the member, and release means.
    Type: Grant
    Filed: May 14, 1981
    Date of Patent: September 27, 1983
    Assignee: Deere & Company
    Inventors: Ronald A. DeMeyer, Vernon T. Wilson, Nabil T. Subh, James E. Ballard