CL

Charles E. Laughlin

PE Petrolite: 1 patents #81 of 143Top 60%
Overall (All Time): #4,028,108 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4426329 One step modification and oxidation of waxes John H. Woods, Toby R. Graves 1984-01-17