| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 346/123 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 603,391 | May 03, 1898 | F.L. Wolfe | Pressure-recorder | |
| 665,154 | Jan. 01, 1901 | F.L. Wolfe | Pressure Recorder | ||
| 677,674 | Jul. 02, 1901 | C.J. Manning | Recording Gage of Steam Pressure on Boilers | ||
| 785,677 | Mar. 21, 1905 | C.J. Manning | Recording Gage | ||