| All Patents in class 200/83R |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 668,954 | Feb. 26, 1901 | C.E. Dawson | Explosion Engine |
| | 1,926,706 | Sep. 12, 1933 | E.J. Dillman, L.W. Eggleston | Control Device |
| | 1,994,988 | Mar. 19, 1935 | L.W. Eggleston | Control Device |
| | 2,143,533 | Jan. 10, 1939 | C.E. Brown, W.D. Archea | Machine Tool |
| | 2,168,307 | Aug. 08, 1939 | P.S. Russel, A.G. Hann | Control Device |
| | 2,209,767 | Jul. 30, 1940 | E.J. Dillman | Thermostat |
| | 3,365,711 | Jan. 23, 1968 | G.N. Levesque | Hydrostatic Bearing Load Signaling Device |
| | 3,372,622 | Mar. 12, 1968 | E.P. Bullard, III | Multiple Pressure Responsive Control Apparatus |