DS

David F. Slama

3M: 35 patents #280 of 11,543Top 3%
📍 Pivdenna Street, MN: #1 of 1 inventorsTop 100%
🗺 Minnesota: #1,581 of 52,454 inventorsTop 4%
Overall (All Time): #95,564 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 26–35 of 35 patents

Patent #TitleCo-InventorsDate
5840089 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, Alan N. Stephens 1998-11-24
5725423 Abrading apparatus John L. Barry, Donald R. Bell, Jason A. Chesley, Harold E. Rude, William F. Sheffield +1 more 1998-03-10
5692949 Back-up pad for use with abrasive articles William F. Sheffield, John L. Barry 1997-12-02
5672186 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, Alan N. Stephens 1997-09-30
5667540 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, Alan N. Stephens 1997-09-16
5607345 Abrading apparatus John L. Barry, Donald R. Bell, Jason A. Chesley, Harold E. Rude, William F. Sheffield +1 more 1997-03-04
5505747 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, William F. Sheffield, Alan N. Stephens 1996-04-09
5400460 Microwaveable adhesive article and method of use David C. Roeker, William F. Sheffield 1995-03-28
5354591 Coated abrasive sheet material with loop material for attachment incorporated therein Ronald L. Ott, Michael R. Gorman, Dennis L. Becker, Donald W. Folske, William L. Melbye +3 more 1994-10-11
5340649 Microwaveable adhesive article and method of use David C. Roeker, William F. Sheffield 1994-08-23