| All Patents in class 236/1EB |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
| | 2,289,047 | Jul. 07, 1942 | P.S. Russel | Heating Apparatus |
| | 2,310,494 | Feb. 09, 1943 | P.S. Russel | Heating System |
| | 2,329,473 | Sep. 14, 1943 | W.S. Landon | Heating Apparatus |
| | 2,335,212 | Nov. 23, 1943 | W.S. Landon | Heating Apparatus |
| | 2,337,476 | Dec. 21, 1943 | P.S. Russel, W.S. Landon | Control Apparatus |
| | 2,356,928 | Aug. 29, 1944 | A.G. Hann | Control Device |
| | 2,364,591 | Dec. 05, 1944 | W.S. Landon, J.L. Stoughton | Controlling Means |
| | 2,396,205 | Mar. 05, 1946 | P.S. Russel | Controlling Means |
| | 2,461,328 | Feb. 08, 1949 | W.S. Landon | Controlling Means and System |
