CH

Charles F. Hoffman

EX ExxonMobil: 2 patents #3,932 of 10,161Top 40%
Overall (All Time): #2,248,036 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5932790 Clutch friction test for motorcycle lubricants Emil J. Meny, Patrick J. Colby, Roger K. Nibert 1999-08-03
5888948 Two-cycle lubricating oil Emil J. Meny 1999-03-30