| All Patents in class 29/29 |
Patents 16 -
30
of 45
      |
| Number | Date | Patentee | Title | Type |
| 599,551 | Feb. 22, 1898 | L.H. Colburn | Upright Boring and Turning Machine | milling machines |
| 683,592 | Oct. 01, 1901 | E.P. Bullard, Jr. | Vertical Turret-Lathe | turret lathes |
| 877,402 | Jan. 21, 1908 | E.P. Bullard, Jr. | Vertical Turret-Lathe | vertical turret lathes |
| 1,059,655 | Apr. 22, 1913 | E.P. Bullard, Jr. | Center Stop for Machine Tools | vertical turret lathes |
| 1,088,965 | Mar. 03, 1914 | E.P. Bullard, Jr. | Adjustable Observation-Stop | metalworking machine mechanisms |
| 1,185,061 | May 30, 1916 | F.F. Clarke | Lubricating System for the Spindle and Table Drive for Vertical Boring and Turning Mills | vertical boring mills |
| 1,188,043 | Jun. 20, 1916 | F.F. Clarke | Stop Index System for Boring Mills | metalworking machine mechanisms |
| 1,351,504 | Aug. 31, 1920 | F.F. Clarke | Center Indicating Device | vertical boring mills |
| 1,432,500 | Oct. 17, 1922 | A. Trosch | Tool Holder | metal lathe accessories and attachments |
| 1,749,374 | Mar. 04, 1930 | E.P. Bullard, Jr. | Machine Tool | |
| 1,800,982 | Apr. 14, 1931 | E.C. Bullard, F.H. Mussler | Hydraulic Change-Speed Gear Mechanism | |
| 1,811,876 | Jun. 30, 1931 | E.P. Bullard, Jr. | Vertical Spindle Machine Tool | |
| 1,861,954 | Jun. 07, 1932 | K.H. Conley | Counterbalancing Device for Machine Tools | |
| 1,902,629 | Mar. 21, 1933 | W.F. Evans | Drum Truing Machine | |
| 1,970,277 | Aug. 14, 1934 | E.C. Bullard | Headstock Unit | |
