| Patents for Philip S. Russel |
Patents 1 -
10
of 31
      |
| Picture | Number | Date | Patentee | Title |
| | 1,786,402 | Dec. 23, 1930 | P.S. Russel | Regulator |
| | 1,888,866 | Nov. 22, 1932 | P.S. Russel | Control Means |
| | 1,892,190 | Dec. 27, 1932 | P.S. Russel | Strainer |
| | 1,946,882 | Feb. 13, 1934 | P.S. Russel | Valve |
| | 1,997,917 | Apr. 16, 1935 | A. Von Wangenheim, P.S. Russel | Gauge |
| | 2,019,461 | Oct. 29, 1935 | P.S. Russel | Control Means |
| | 2,100,997 | Nov. 30, 1937 | P.S. Russel | Pressure Control Device |
| | 2,104,700 | Jan. 04, 1938 | P.S. Russel | Pressure Regulating Device |
| | 2,112,220 | Mar. 22, 1938 | P.S. Russel | Control Device |
| | 2,143,229 | Jan. 10, 1939 | P.S. Russel | Control Device |
