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| All Patents in class 144/74 | |||||
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| Number | Date | Patentee | Title | Type | |
| 46,113 | Jan. 31, 1865 | B. Klahr | Improved sawing and boring machine | mortising machines | |
| 81,407 | Aug. 25, 1868 | J. Richards | Improvement in mortising-machines | mortising machines | |
| 177,449 | May 16, 1876 | P.M. Andriot | Improvement in mortising and tenoning machines | mortising machines | |
| 495,209 | Apr. 11, 1893 | C. Seymour | Mortising machine | mortising machines | |
| 6,238,149 | May 29, 2001 | D.N. Hollinger, A.V. Bondi | Apparatus for drill press | drill presses | |