DM

Donald J. Marn

TL The Lubrizol: 2 patents #275 of 659Top 45%
📍 Wickliffe, OH: #42 of 101 inventorsTop 45%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,211,695 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6362136 Compositions for extending seal life, and lubricants and functional fluids containing the same Robert C. Richardson 2002-03-26
5366648 Functional fluids useful at high temperatures Mary F. Salomon, Franklin P. Abbott, Joseph W. Pialet 1994-11-22