| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Gould Balance Valve Co. | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 912,372 | Feb. 16, 1909 | W.F. Gould | Balanced Slide Valve | |
 | 992,349 | May 16, 1911 | W.F. Gould | Balanced Slide-Valve | |
 | 992,350 | May 16, 1911 | W.F. Gould | Balanced Valve | |
 | 1,014,591 | Jan. 09, 1912 | W.F. Gould | Balanced Valve | |
 | 1,014,592 | Jan. 09, 1912 | W.F. Gould | Balanced Valve | |