LG

Leonard B. Graiff

Shell Oil Compny: 2 patents #49 of 268Top 20%
📍 Houston, TX: #87 of 987 inventorsTop 9%
🗺 Texas: #496 of 5,527 inventorsTop 9%
Overall (1994): #26,687 of 165,921Top 20%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5334308 Reduction of jet engine smoke emissions by contacting jet fuel with a carbon molecular sieve adsorbent Danny Yuk Kwan Ngan, Benton E. Visser, Greg E. Webster 1994-08-02
5300218 Reduction of diesel engine particulate emissions by contacting diesel fuel with a carbon molecular sieve adsorbent Peter B. Van Benthuysen, Danny Yuk Kwan Ngan, Zaida Diaz, David M. Austgen, Jr. 1994-04-05