WS

William F. Sheffield

3M: 19 patents #719 of 11,543Top 7%
Overall (All Time): #241,901 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7044834 Abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 2006-05-16
6884157 Abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 2005-04-26
6777055 Protective article having removable sheets and vertically staggered side edge, substrates protected therewith, and a method of use Jeffrey R. Janssen 2004-08-17
6579162 Abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 2003-06-17
6579161 Abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 2003-06-17
6491775 Method of applying a semi-rigid film to a substrate Jeffrey R. Janssen, Gary Mark Stucci 2002-12-10
6482488 Repaired scratched and/or abraded transparent substrates having protective removable sheets thereon and a method of making Jeffrey R. Janssen, Albert I. Everaerts, Donald R. O'Keefe 2002-11-19
6461709 Graffiti and/or environmental protective article having removable sheets, substrates protected therewith, and a method of use Jeffrey R. Janssen, Albert I. Everaerts, Donald R. O'Keefe 2002-10-08
6180245 Method of repairing scratched and/or abraded transparent substrates and the repaired substrates Jeffrey R. Janssen, Albert I. Everaerts, Donald R. O'Keefe 2001-01-30
5962102 Loop material for engagement with hooking stems John L. Barry, David F. Slama 1999-10-05
5840089 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 1998-11-24
5725423 Abrading apparatus John L. Barry, Donald R. Bell, Jason A. Chesley, Harold E. Rude, David F. Slama +1 more 1998-03-10
5692949 Back-up pad for use with abrasive articles John L. Barry, David F. Slama 1997-12-02
5672186 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 1997-09-30
5667540 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 1997-09-16
5607345 Abrading apparatus John L. Barry, Donald R. Bell, Jason A. Chesley, Harold E. Rude, David F. Slama +1 more 1997-03-04
5505747 Method of making an abrasive article Jason A. Chesley, Donald R. Bell, Harold E. Rude, David F. Slama, Alan N. Stephens 1996-04-09
5400460 Microwaveable adhesive article and method of use David C. Roeker, David F. Slama 1995-03-28
5340649 Microwaveable adhesive article and method of use David C. Roeker, David F. Slama 1994-08-23