DP

Darrell W. Patton

EP E.F. Products: 2 patents #3 of 4Top 75%
PE Pennzoil: 1 patents #10 of 22Top 50%
PP Pennzoil Products: 1 patents #16 of 32Top 50%
Overall (All Time): #1,024,067 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7673497 System, methods, and compositions for detecting and inhibiting leaks in transmission systems William J. Quest 2010-03-09
7565829 System, methods, and compositions for detecting and inhibiting leaks in steering systems William J. Quest 2009-07-28
7565830 System, methods, and compositions for detecting and inhibiting leaks in engine oil systems William J. Quest 2009-07-28
4824589 Rust converting and removing compositions Arpad M. Magyar, Paul J. DesLauriers 1989-04-25
4609406 Rust conversion coatings Arpad M. Magyar, James G. Newsome 1986-09-02