Patents by Inventor Robert J. Petrush

Robert J. Petrush 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).

  • Surface protecting assembly and method
    Patent number: 5472559
    Abstract: A method for protecting a surface from radiant heat such as for protecting an outer surface portion of an automobile from heat during radiant heating to cure paint on another newly painted outer surface portion of the automobile. Exposed adhesive on tape along one edge of masking material comprising a polyester backing layer with a reflective aluminum coating on one surface is adhered to a surface with the masking material extending between the source of radiant heat and the portion of the surface to be protected from the radiant heat.
    Type: Grant
    Filed: June 13, 1994
    Date of Patent: December 5, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James D. Cayford, Robert J. Petrush
  • Masking assembly and masking method for protecting surfaces from radiant heat
    Patent number: 5356503
    Abstract: A method for protecting a surface from radiant heat such as for protecting an outer surface portion of an automobile from heat during radiant heating to cure paint on another newly painted outer surface portion of the automobile. Exposed adhesive on tape along one edge of masking material comprising a polyester backing layer with a reflective aluminum coating on one surface is adhered to a surface with the masking material extending between the source of radiant heat and the portion of the surface to be protected from the radiant heat.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: October 18, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: James D. Caryford, Robert J. Petrush