DK

Dennis J. Knowlton

PS Particle Measuring Systems: 5 patents #13 of 64Top 25%
📍 Boulder, CO: #1,290 of 5,018 inventorsTop 30%
🗺 Colorado: #8,936 of 40,980 inventorsTop 25%
Overall (All Time): #1,033,199 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
RE39783 Chemical mechanical planarization (CMP) slurry quality control process and particle size distribution measuring systems Todd A. Cerni, Scott Waisanen 2007-08-21
6275290 Chemical mechanical planarization (CMP) slurry quality control process and particle size distribution measuring systems Todd A. Cerni, Scott Waisanen 2001-08-14
5861950 Particle detection system utilizing an inviscid flow-producing nozzle 1999-01-19
5805281 Noise reduction utilizing signal multiplication Edward Ray Green 1998-09-08
5671046 Device and method for optically detecting particles in a free liquid stream 1997-09-23