| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 137/884 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 2,871,886 | Feb. 03, 1959 | N.V. Gusching, J. Obreski | Manifold | ||
| 3,603,346 | Sep. 07, 1971 | A. Hirt | Pneumatic Logic Element | ||
| 3,610,274 | Oct. 05, 1971 | A. Hirt, G.N. Levesque | Fluid Logic Circuit | ||