DB

David W. Butler

NASA: 1 patents #1,418 of 3,881Top 40%
UT Union Carbide Chemicals & Plastics Technology: 1 patents #70 of 210Top 35%
📍 Linthicum, MD: #17 of 50 inventorsTop 35%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,148,388 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7399895 Aluminum phosphate-supported group 6 metal amide catalysts for oligomerization of ethylene John R. Briggs, Timothy T. Wenzel, William Clarke Brooks, Teresa L. Fortin 2008-07-15
5750895 Method and apparatus for dual amplitude dual time-of-flight ultrasonic imaging Engmin J. Chern 1998-05-12