| Patents for Williams Tool Corp. |
Patents 1 -
15
of 25
      |
| Number | Date | Patentee | Title | Type |
| 1,239,857 | Sep. 11, 1917 | C.F. Williams | Lathe | cutting-off and centering machines |
| 1,318,519 | Oct. 14, 1919 | C.F. Williams | Thread-cutting machine | metal threading machines |
| CA-211,956 | May 24, 1921 | C.F. Williams | Thread cutting machine | metal threading machines |
| CA-243,035 | Sep. 16, 1924 | L.S. Hall | Pipe threading machine | pipe threading machines |
| 1,527,185 | Feb. 24, 1925 | L.S. Hall | Pipe-threading machine | pipe threading machines |
| CA-248,427 | Mar. 31, 1925 | L.S. Hall | Pipe threading machine | pipe threading machines |
| CA-253,990 | Sep. 22, 1925 | L.S. Hall | Lubricating device for threading machines | pipe threading machines |
| CA-253,991 | Sep. 22, 1925 | L.S. Hall | Cutting off and reaming attachment for threading machines | pipe threading machines |
| CA-253,992 | Sep. 22, 1925 | L.S. Hall | Steadying block for threading machines | pipe threading machines |
| CA-253,993 | Sep. 22, 1925 | L.S. Hall | Die head for threading machines | pipe threading machines |
| CA-253,994 | Sep. 22, 1925 | L.S. Hall | Chaser bit holder for threading machines | pipe threading machines |
| CA-255,579 | Nov. 17, 1925 | L.S. Hall | Pipe threading machine | pipe threading machines |
| 1,576,652 | Mar. 16, 1926 | L.S. Hall | Pipe Threading Machine | pipe threading machines |
| CA-260,513 | May 04, 1926 | L.S. Hall | Threading machine | pipe threading machines |
| 1,586,362 | May 25, 1926 | L.S. Hall | Gear box for threading machines and the like | pipe threading machines |
