Patents by Inventor David E. Slama

David E. Slama 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).

  • Coated abrasive sheet material with loop material for attachment incorporated therein
    Patent number: 5254194
    Abstract: A sheet of coated abrasive material including a backing having abrasive on one surface and loops projecting from its other surface by which the sheet of coated abrasive material can be held by hooks on the support surface of a pad. The backing comprises a polymeric bonding layer defining its rear surface. The sheet of coated abrasive material comprises a nonwoven sheet of longitudinally oriented fibers having anchor portions bonded in the polymeric bonding layer at spaced bonding locations, and arcuate portions projecting from the rear surface of the backing between the bonding locations to provide the loops.
    Type: Grant
    Filed: August 21, 1991
    Date of Patent: October 19, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Ronald L. Ott, Michael R. Gorman, Dennis L. Becker, Donald W. Folske, William L. Melbye, Susan K. Nestegard, David E. Slama, John L. Barry, Jeffrey R. McMahon