| All Patents in class 408/46 |
Patents 16 -
30
of 35
      |
| Number | Date | Patentee | Title | Type |
| 642,645 | Feb. 06, 1900 | J.R. Thomas, H.S. Spencer | Boring-machine | drilling and boring |
| 689,035 | Dec. 17, 1901 | E.F. Brainard | Boring and tenoning machine | tenoning machines |
| 733,115 | Jul. 07, 1903 | M.L. Andrew | Variety boring-machine | drilling and boring |
| 765,601 | Jul. 19, 1904 | C. Seymour | Multiple-spindle boring-machine | wood drilling and boring |
| 796,095 | Aug. 01, 1905 | W. Wattie | Drilling-machine | drilling and boring |
| 911,639 | Feb. 09, 1909 | M.L. Andrew | Boring-machine | wood drilling and boring |
| 1,009,201 | Nov. 21, 1911 | A.C. Vick | Mortising machine | mortising machines |
| 1,053,339 | Feb. 18, 1913 | O.C. Wysong | Mortising-machine | mortising machines |
| 1,079,023 | Nov. 18, 1913 | A.H. Reher | Multiple Spindle Drill Head | multiple spindle drilling heads |
| 1,125,868 | Jan. 19, 1915 | A.L. Moore | Machine For Drilling Wrench Bars | wrench handle components |
| 1,146,768 | Jul. 13, 1915 | E.W. Cleveland | Multiple Spindle Drill Head | multiple spindle drilling heads |
| 1,210,450 | Jan. 02, 1917 | W.R. Fox | Attachment for multiple drills | multiple spindle drill presses |
| 1,858,677 | May 17, 1932 | E.J. McKnight | Multiple spindle boring machine | wood drilling and boring |
| 1,860,700 | May 31, 1932 | W.H. Bauch | Machine Tool | metalworking machines |
| 1,945,084 | Jan. 30, 1934 | L.L. Schauer | Indexible multiple spindle head for drilling machines | radial drill presses |
