RC

Roger O. Campbell

WN Weyerhaeuser Nr: 4 patents #99 of 578Top 20%
WE Weyerhauser: 1 patents #4 of 24Top 20%
📍 Federal Way, WA: #52 of 444 inventorsTop 15%
🗺 Washington: #13,001 of 76,902 inventorsTop 20%
Overall (All Time): #661,934 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6881299 Refiner bleaching with magnesium oxide and hydrogen peroxide Anthony Parrish, Raymond E. Harrison, Paul B. Mobley, Gregg McCarthy 2005-04-19
6743332 High temperature peroxide bleaching of mechanical pulps Kaaren Haynes, Zeecha L. Brooks, Anthony Parrish, Robert T. Hamilton 2004-06-01
6719880 Process for producing paper and absorbent products of increased strength Jerry R. Speaks, Michael A. Veal 2004-04-13
6641699 Chemical wood pulping process with reduced pitch and VOC emissions Jerry R. Speaks, Michael A. Veal 2003-11-04
6364999 Process for producing a wood pulp having reduced pitch content and process and reduced VOC-emissions Jerry R. Speaks, Michael A. Veal 2002-04-02
6075076 Composite wood products prepared from solvent extracted wood particulates Jerry R. Speaks, Michael A. Veal 2000-06-13
5698667 Pretreatment of wood particulates for removal of wood extractives Jerry R. Speaks, Michael A. Veal 1997-12-16
5665798 Composite wood products from solvent extracted wood raw materials Jerry R. Speaks, Michael A. Veal 1997-09-09