Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879053 | Process for preparing overbased calcium sulfonates | Leonard A. Matthews, William J. Powers, III, Joanne R. Whittle, Jerry C. Perciful | 1989-11-07 |
HP
Henry M. Przybyla
Overall (All Time): #3,941,345 of 4,157,543Top 95%
1
Patents All Time