| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 277/912 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,919,939 | Jan. 05, 1960 | H.A. Andresen, R.H. Andresen | High Temperature Shaft Seal | shaft seals | |
| 3,093,381 | Jun. 11, 1963 | G. Schultz | Shaft Seal | shaft seals | |