DC

David C. Chambers

3M: 7 patents #2,212 of 11,543Top 20%
Overall (All Time): #752,284 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7320341 Protective liner for slurry pipelines Marie-Claude M. Brandys, Kam C. Wu, David E. Livingstone, John T. Kilbourne 2008-01-22
6834612 Method and apparatus for making particle-embedded webs Glen Connell, Ranjith Divigalpitiya, David E. Livingstone, Agatona D. Monteagudo, Susan C. Noe +1 more 2004-12-28
6820382 Fire stop and its use Laurence M. Whitty 2004-11-23
6569494 Method and apparatus for making particle-embedded webs Glen Connell, Ranjith Divigalpitiya, David E. Livingstone, Agatona D. Monteagudo, Susan C. Noe +1 more 2003-05-27
6511701 Coatings and methods Ranjith Divigalpitiya, Gabriella Miholics 2003-01-28
5895170 Flexible raised pavement marker, mounting device and method Robin G. Pitman 1999-04-20
4881061 Article removal control system 1989-11-14