Patents by Inventor David J. Mansfield

David J. Mansfield 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: 7014550
    Abstract: The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: March 21, 2006
    Assignee: Saint-Gobain Abrasives Technology Company
    Inventors: David J. Mansfield, Paul A. Krupa
  • Publication number: 20040038633
    Abstract: The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad.
    Type: Application
    Filed: August 28, 2003
    Publication date: February 26, 2004
    Applicant: Saint-Gobain Abrasives, Inc.
    Inventors: David J. Mansfield, Paul A. Krupa
  • Patent number: 6616519
    Abstract: The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: September 9, 2003
    Assignee: Saint-Gobain Abrasives Technology Company
    Inventor: David J. Mansfield
  • Publication number: 20030054744
    Abstract: The invention provides a sanding system comprising a detachable sanding pad with a plurality of sides adapted for different degrees of sanding retained in contact with a backing plate by teeth penetrating into opposed sides of the sanding pad.
    Type: Application
    Filed: September 14, 2001
    Publication date: March 20, 2003
    Inventor: David J. Mansfield
  • Patent number: 6439988
    Abstract: Sanding tools made from a block of a foamed polymer sponge having two contiguous sides meeting at a right angle that are provided with an abrasive coating and which have in addition a means for grasping the tool formed in the body of the sponge so that the user can simultaneously sand two walls meeting to form a corner.
    Type: Grant
    Filed: September 20, 1999
    Date of Patent: August 27, 2002
    Assignee: Saint-Gobain Abrasives Technology Company
    Inventors: David J. Long, Paul A. Krupa, David J. Mansfield