Patents by Inventor John Telischak

John Telischak 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).

  • Patent number: 6722955
    Abstract: An abrasive article backup plate assembly and grinder system having an abrasive article backup plate assembly is disclosed. The abrasive article backup plate assembly includes an abrasive article having an abrasive surface that includes a viewing window within the abrasive surface. A support member is provided including a first major surface which supports the abrasive article. At least a portion of the support member is made of materials sufficiently clear to collectively see through the support member and the viewing window. A method of abrading a surface using a grinder system including the abrasive article backup plate assembly is also disclosed.
    Type: Grant
    Filed: January 10, 2001
    Date of Patent: April 20, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: John Telischak, David C. Roeker, Joseph G. Pribyl
  • Publication number: 20020090900
    Abstract: An abrasive article backup plate assembly and grinder system having an abrasive article backup plate assembly is disclosed. The abrasive article backup plate assembly includes an abrasive article having an abrasive surface that includes a viewing window within the abrasive surface. A support member is provided including a first major surface which supports the abrasive article. At least a portion of the support member is made of materials sufficiently clear to collectively see through the support member and the viewing window. A method of abrading a surface using a grinder system including the abrasive article backup plate assembly is also disclosed.
    Type: Application
    Filed: January 10, 2001
    Publication date: July 11, 2002
    Applicant: 3M Innovative Properties Company
    Inventors: John Telischak, David C. Roeker, Joseph G. Pribyl