| All Patents in class 346/136 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
 | 361,689 | Apr. 26, 1887 | C.M. Giddings | Recording Dynamometer |
 | 454,391 | Jun. 16, 1891 | E. Verstraete | Speed Recorder and Register |
| | 678,421 | Jul. 16, 1901 | E. Norden | Steam Engine Indicator |
| | 687,827 | Dec. 03, 1901 | A.T. Hill | Record Motor for Engine Indicators |
| | 713,945 | Nov. 18, 1902 | E.C. Oliver, L.P. Beckenridge | Recording Machine |
| | 1,056,950 | Mar. 25, 1913 | J.W. Sheperdson | Engine Indicator |
| | 1,072,161 | Sep. 02, 1913 | A.P. Phillips | Pressure Recording Gage |
| | 1,265,156 | May 07, 1918 | C.D. Young | Pressure Recorder |
 | 1,322,564 | Nov. 25, 1919 | F. Hardinge | Watchman's clock |
| | 1,352,150 | Sep. 07, 1920 | E. Schneider | Recorder for Fluid Pressure Presses |
