| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 346/44 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 495,148 | Apr. 11, 1893 | R.G. Collins | Electro Mechanical Steam Recording Indicator | ||
| 530,433 | Dec. 04, 1894 | F. Lane | Indicator for Steam Engines | ||
| 1,890,601 | Dec. 13, 1932 | C.E. Cox | Internal Combustion Indicator | ||