All Patents in class 346/5 |
Patents 1 -
10
of 18
      |
Picture | Number | Date | Patentee | Title |
| 37,980 | Mar. 24, 1863 | C.B. Richards | Steam Engine Indicator |
 | 167,364 | Aug. 31, 1875 | J.W. Thompson | Indicator for Steam Engines |
 | 210,643 | Dec. 10, 1878 | H. Tabor | Indicator for Steam Engines, &c. |
 | 280,256 | Jun. 26, 1883 | L. Stanĕk | Steam-engine indicator |
| 360,644 | Apr. 05, 1887 | J.H. Bachelder | Steam Engine Attachment |
| 515,175 | Feb. 20, 1894 | F.H. Pierpont, L.T. Snow | Reducing Mechanism for Steam Engine Indicator |
| 530,433 | Dec. 04, 1894 | F. Lane | Indicator for Steam Engines |
| 533,812 | Feb. 05, 1895 | W. Houghtaling | Steam Engine Indicator |
| 538,042 | Apr. 23, 1895 | W. Houghtaling | Steam Engine Indicator |
| 538,043 | Apr. 23, 1895 | W. Houghtaling | Steam Engine Indicator |