| Patents for Williams Tool Corp. |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| CA-263,252 | Aug. 03, 1926 | L.S. Hall | Belt tensioning device | pipe threading machines |
| 1,603,280 | Oct. 19, 1926 | L.S. Hall | Die Head for Threading Machines and the Like | tap and die holders |
| 1,638,030 | Aug. 09, 1927 | L.S. Hall | Pipe Threading Machine | pipe threading machines |
| 1,655,542 | Jan. 10, 1928 | L.S. Hall | Die head for threading machines and the like | pipe threading machines |
| 1,666,135 | Apr. 17, 1928 | L.S. Hall | Belt-tensioning device for threading machines and the like | pipe threading machines |
| 1,673,979 | Jun. 19, 1928 | L.S. Hall | Cutting off and reaming attachment for threading machines and the like | pipe threading machines |
| 1,721,129 | Jul. 16, 1929 | G.M. Mehl | Adjusting Means for Threading Dies | tap and die holders |
| 1,724,497 | Aug. 13, 1929 | G.M. Mehl | Threading die | pipe threading machines |
| 1,857,208 | May 10, 1932 | H.R. Metz | Chamfering Tool and Holder | pipe threading machines |
| 1,918,439 | Jul. 18, 1933 | L.K. Warman | Chuck | pipe threading machines |
