| All Patents in class 409/218 |
Patents 1 -
15
of 32
      |
| Number | Date | Patentee | Title | Type |
| 314,544 | Mar. 24, 1885 | J.A. Rothwell | Gage for Lathes | metal lathe accessories and attachments |
| 376,134 | Jan. 10, 1888 | G.K. Birge, G.W. Shamp, C.F. Lehmann | Routing-machine | carving machines |
| 478,640 | Jul. 12, 1892 | J. Rohlmann | Carving-machine | carving machines |
| 741,087 | Oct. 13, 1903 | C.B. Weidlog | Indicator for Boring Machines | measuring tools |
| 813,756 | Feb. 27, 1906 | F. Wesel | Folio-mortising machine | engraver |
| 816,198 | Mar. 27, 1906 | F. Wesel | Metal Cutting Machine | metal shearing machines |
| 885,379 | Apr. 21, 1908 | H.B. Ross | Adjusting means for planer heads | wood planers |
| 1,039,055 | Sep. 17, 1912 | N. Helwig | Marking-Gage | wheeled marking gauges |
| 1,133,169 | Mar. 23, 1915 | W.C. Morris | Adjustable Boring Tool Holder | drilling and boring tool holders |
| 1,263,142 | Apr. 16, 1918 | E. Stubbs | Micrometer Indicator for Tool Feeding Mechanisms | micrometers |
| 1,305,872 | Jun. 03, 1919 | B. Bollie | Micrometer Drilling Gage | special purpose gauges |
| 1,439,190 | Dec. 19, 1922 | H.P. Pritchard | Boring or Surfacing Tool Holder | milling machine tools |
| 1,486,968 | Mar. 18, 1924 | H.E. Kempton | Precision Device for Boring Machines and the Like | horizontal boring mill attachments |
| 1,660,435 | Feb. 28, 1928 | C.C. Craley | Metal Working Machinery | drill press accessories |
| 1,703,791 | Feb. 26, 1929 | W.G. Hoelscher, A.M. Sosa | Feeding Mechanism for Drilling Machinery | radial drill presses |
