| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 548/349.1 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,950,211 | Aug. 23, 1960 | P.F. Thompson, C.F. Huber | Heterocyclic Asphalt Additives | manufacturing processes | |
| 3,037,029 | May 29, 1962 | P.F. Thompson, C.F. Huber | Imidazoline Compounds | manufacturing processes | |