| All Patents in class 409/220 |
Patents 1 -
15
of 17
      |
| Number | Date | Patentee | Title | Type |
| 208,491 | Oct. 01, 1878 | J.W. Post | Gear Cutting Attachment for Lathes | metal lathe accessories and attachments |
| 1,660,435 | Feb. 28, 1928 | C.C. Craley | Metal Working Machinery | drill press accessories |
| 1,916,212 | Jul. 04, 1933 | R.M. Woytych, K.F. Gallimore | Indicator Locating Device | special measuring tools |
| 1,965,210 | Jul. 03, 1934 | W.D. Archea | Machine Tool | milling machines |
| 1,999,900 | Apr. 30, 1935 | G. Gorton | Worktable for Machine Tools | industrial machine bases |
| 2,006,144 | Jun. 25, 1935 | J.E. Lovely | Feed Knock-Off Mechanism for Lathes | turret lathes |
| 2,042,847 | Jun. 02, 1936 | L. Holtschneider | Dividing Head for Lathes | indexers and dividers |
| 2,167,189 | Jul. 25, 1939 | J. Verderber | Machine Tool | metalworking machines |
| 2,252,627 | Aug. 12, 1941 | G. Gorton | Machine Tool of the Sensitive Table Type | metalworking machine mechanisms |
| 2,284,972 | Jun. 02, 1942 | G. Carson | Work support and hold-down mechanism | milling machines |
| 2,319,480 | May 18, 1943 | E. Guetzkow, R.E. Saving | Adjustable Micrometer Dial | milling machines |
| 2,376,303 | May 15, 1945 | E.J. Kaiser, R.M. Woytych | Measuring and Indicating Apparatus for Machine Tools | horizontal boring mill attachments |
| 2,406,299 | Aug. 20, 1946 | M. Koulicovitch | Machine Tool with Photoelectric Positioning of the Work Table | metalworking machines |
| 2,430,760 | Nov. 11, 1947 | J. Daugherty | Hydraulic Table Stop | metal planer accessories |
| 2,631,503 | Mar. 17, 1953 | J. Daugherty | Hydraulic Table Stop | metalworking machine mechanisms |
