| Patents for O. K. Tool Co., Inc. |
Patents 1 -
15
of 73
      |
| Number | Date | Patentee | Title | Type |
| 1,646,494 | Oct. 25, 1927 | O. Severson | Tool Holder With Side Clamp | lathe tools |
| 1,660,361 | Feb. 28, 1928 | O. Severson | Boring Head | boring heads |
| 1,662,078 | Mar. 13, 1928 | O. Severson | Method of and Machine for Grinding Fine-Tooth Hobs | hob grinding machines |
| 1,662,079 | Mar. 13, 1928 | O. Severson | Machine for Grinding Hob and Disk Cutters | hob grinding machines |
| 1,674,350 | Jun. 19, 1928 | R.R. Weddell | Universal Grinding Fixture | hob grinding machines |
| 1,688,558 | Oct. 23, 1928 | O. Severson | Hollow Mill | milling machine cutters |
| 1,689,973 | Oct. 30, 1928 | O. Severson | Cutter for Planing Gear Teeth | gear cutting tools |
| 1,702,485 | Feb. 19, 1929 | O. Severson | Adjustable Counterbore | metalworking counterbores |
| 1,734,502 | Nov. 05, 1929 | O. Severson | Tool Holder With Top Lock | metal planer tool holders |
| 1,762,110 | Jun. 03, 1930 | R.R. Weddell | Compound-Taper Insertable-Blade Lock | milling machine cutters |
| 1,762,111 | Jun. 03, 1930 | R.R. Weddell | Angular Serrated Adjustable Cutter | milling machine cutters |
| 1,793,564 | Feb. 24, 1931 | O. Severson | Tool Holder With Dovetail Lock | metal planer tool holders |
| 1,835,992 | Dec. 08, 1931 | O. Severson | Combined Post Shank and Bit | lathe tool holders and tool posts |
| 1,843,794 | Feb. 02, 1932 | R.R. Weddell | Adjustable Work Holder | jigs and fixtures |
| 1,864,497 | Jun. 21, 1932 | O. Severson | Method of Forge-Welding Stellite | welding |
