| All Patents in class 409/222 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 63,407 | Apr. 02, 1867 | T.T. Markland, Jr. | Improvement in machines for sharpening saws | saw gummers |
| 167,572 | Sep. 07, 1875 | G.V. Seaver | Planing-Chuck | metal planers |
| 208,491 | Oct. 01, 1878 | J.W. Post | Gear Cutting Attachment for Lathes | metal lathe accessories and attachments |
| 341,437 | May 04, 1886 | V.H. Ernst | Milling Machine | milling machines |
| 472,519 | Apr. 12, 1892 | A.H. Brainard | Gear Cutting Machine | gear making machines |
| 531,817 | Jan. 01, 1895 | H.C. Warren | Precision-index | indexers and dividers |
| 613,425 | Nov. 01, 1898 | N.M. Saati | Dividing-machine | indexers and dividers |
| 626,208 | May 30, 1899 | F. Lucke | Shifting Device for Revolving Tool Heads | lathe tool holders and tool posts |
| 630,325 | Aug. 08, 1899 | H.W. Cheney | Bevel-gear-generating machine | gear making machines |
| 782,240 | Feb. 14, 1905 | B.M. Hanson | Indexing Mechanism | rotary indexers |
| 1,442,537 | Jan. 16, 1923 | H.F. Orcutt | Dividing Head for Grinding and Other Machines | indexers and dividers |
| 2,042,847 | Jun. 02, 1936 | L. Holtschneider | Dividing Head for Lathes | indexers and dividers |
| 2,144,486 | Jan. 17, 1939 | E.M. Erb | Locating Device | milling machine accessories |
| 2,164,455 | Jul. 04, 1939 | F.L. Hart | Shaft indexing device | work holding |
| 2,328,346 | Aug. 31, 1943 | H. Krochmal | Dividing Head | indexers and dividers |
