PR

Paul J. Richtman

3M: 7 patents #2,212 of 11,543Top 20%
Overall (All Time): #749,163 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8080300 Tape roll tab application method and article Christopher M. Glenna 2011-12-20
7182682 Apparatus for making a surface treating article Michael S. Bates, Stanley L. Conwell, Douglas E. Devaney, Darla A. Elgin, Peter J. Fritz +4 more 2007-02-27
6817935 Method of making a surface treating article and such a surface treating article Michael S. Bates, Stanley L. Conwell, Douglas E. Devaney, Darla A. Elgin, Peter J. Fritz +4 more 2004-11-16
6632311 Tape roll tab application method and article Christopher M. Glenna 2003-10-14
6609951 Method of making a surface treating article Michael S. Bates, Stanley L. Conwell, Douglas E. Devaney, Darla A. Elgin, Peter J. Fritz +4 more 2003-08-26
D448413 Tape dispenser Bruce W. Carlson, Steven E. Turch, Bruce E. Samuelson 2001-09-25
D442227 Tape dispenser Bruce W. Carlson, Steven E. Turch, Bruce E. Samuelson 2001-05-15