| Patents for Louis W. Southgate |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 901,503 | Oct. 20, 1908 | C.H. Waymoth | Wood-turning lathe | wood lathes |
| 901,515 | Oct. 20, 1908 | H. Allen | Driving mechanism for spindles | drill presses |
| 945,947 | Jan. 11, 1910 | F.K. Hendrickson | Turret-lathe | turret lathes |
| 962,690 | Jun. 28, 1910 | H. Allen | Driving mechanism for drill-spindles | drill presses |
| 1,019,516 | Mar. 05, 1912 | A.E. Newton | Belt-drive | metalworking power transmission |
| 1,019,517 | Mar. 05, 1912 | A.E. Newton | Weight safety device | drill presses |
| 1,096,188 | May 12, 1914 | C.H. Norton | Apparatus for grinding rolls | grinders |
| 1,118,875 | Nov. 24, 1914 | A.E. Newton | Attachment for turning multiple-diameter shafts | metal lathe accessories and attachments |
| 1,135,095 | Apr. 13, 1915 | F.I. Blake, M.D. Reidy | Calipers or dividers | calipers |
