DH

Don P. Hollrah

ET Ethyl: 2 patents #215 of 494Top 45%
EA Ethyl Petroleum Additives: 1 patents #37 of 68Top 55%
📍 Manchester, MO: #101 of 278 inventorsTop 40%
🗺 Missouri: #6,609 of 23,789 inventorsTop 30%
Overall (All Time): #1,645,109 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5679116 Compositions for control of induction system deposits Lawrence J. Cunningham, Alexander M. Kulinowski 1997-10-21
5551957 Compostions for control of induction system deposits Lawrence J. Cunningham, Alexander M. Kulinowski 1996-09-03
5113803 Reduction of No.sub.x emissions from gasoline engines Denis L. Lenane 1992-05-19