Sheffield; William F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Sheffield; William F..The latest application filed is for "abrasive article".

Company Profile

0.16.6

Sheffield; William F. - Oakdale MN

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Abrasive article Grant 7,044,834 - Chesley , et al. May 16, 2	2006-05-16
Abrasive article App 20050202770 - Chesley, Jason A. ; et al.	2005-09-15
Abrasive article Grant 6,884,157 - Chesley , et al. April 26, 2	2005-04-26
Protective article having removable sheets and vertically staggered side edge, substrates protected therewith, and a method of use Grant 6,777,055 - Janssen , et al. August 17, 2	2004-08-17
Protective Article Having Removable Sheets And Vertically Staggered Side Edge, Substrates Protected Therewith, And A Method Of Use App 20040121105 - Janssen, Jeffrey R. ; et al.	2004-06-24
Abrasive article App 20030159363 - Chesley, Jason A. ; et al.	2003-08-28
Abrasive article Grant 6,579,161 - Chesley , et al. June 17, 2	2003-06-17
Graffiti and/or environmental protective article having removable sheets App 20030087054 - Janssen, Jeffrey R. ; et al.	2003-05-08
Repaired scratched and/or abraded transparent substrates having protective removable sheets thereon and a method of making Grant 6,482,488 - Janssen , et al. November 19, 2	2002-11-19
Graffiti and/or environmental protective article having removable sheets, substrates protected therewith, and a method of use Grant 6,461,709 - Janssen , et al. October 8, 2	2002-10-08
Abrasive article App 20010001088 - Chesley, Jason A. ; et al.	2001-05-10
Method of repairing scratched and/or abraded transparent substrates and the repaired substrates App 20010000076 - Janssen, Jeffrey R. ; et al.	2001-03-29
Loop material for engagement with hooking stems Grant 5,962,102 - Sheffield , et al. October 5, 1	1999-10-05
Back-up pad for use with abrasive articles Grant 5,692,949 - Sheffield , et al. December 2, 1	1997-12-02
Method of making an abrasive article Grant 5,672,186 - Chesley , et al. September 30, 1	1997-09-30
Method of making an abrasive article Grant 5,667,540 - Chesley , et al. September 16, 1	1997-09-16
Abrading apparatus Grant 5,607,345 - Barry , et al. March 4, 1	1997-03-04
Method of making an abrasive article Grant 5,505,747 - Chesley , et al. April 9, 1	1996-04-09
Microwaveable adhesive article and method of use Grant 5,400,460 - Roeker , et al. March 28, 1	1995-03-28
Machine and method for poling films of pyroelectric and piezoelectric material Grant 4,089,034 - Taylor , et al. May 9, 1	1978-05-09
Machine and method for poling films of pyroelectric and piezoelectric material Grant 4,079,437 - Sheffield March 14, 1	1978-03-14
Poling machine for continuous film of pyroelectric and/or piezoelectric material Grant 4,067,056 - Taylor , et al. January 3, 1	1978-01-03

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