| All Patents in class 144/75 |
Patents 31 -
45
of 87
      |
| Number | Date | Patentee | Title | Type |
| 11,403 | Jul. 25, 1854 | B. Holly | Mortising-machine | mortising machines |
| 13,594 | Sep. 25, 1855 | E. Gould | Method of regulating stroke length in mortising machines | mortising machines |
| 13,663 | Oct. 09, 1855 | H.B. Smith | Mortising-machine | mortising machines |
| RE333 | Dec. 11, 1855 | J. Guild | Improvment in mortising-machines | mortising machines |
| 14,071 | Jan. 08, 1856 | W. Stoddard | Mortising-machine | mortising machines |
| 14,106 | Jan. 15, 1856 | J.A. Merriman | Mortising-machine | mortising machines |
| 14,160 | Jan. 29, 1856 | H. Knowles | Mortising tool | mortising machines |
| 14,564 | Apr. 01, 1856 | E. Joslin | Improved mortising-machine | mortising machines |
| 16,020 | Nov. 04, 1856 | J.R. Perry | Joint for uniting a mortising-chisel to its mandrel | mortising machines |
| 17,701 | Jun. 30, 1857 | H.B. Smith | Mortising-machine | mortising machines |
| 25,055 | Aug. 09, 1859 | A. Spencer, Jr. | Mortising-machine | mortising machines |
| 29,141 | Jul. 17, 1860 | E. Coffin | Mortising-machine | mortising machines |
| 33,330 | Sep. 24, 1861 | S.S. Bartlett | Improved mortising-machine | mortising machines |
| RE1,852 | Jan. 17, 1865 | S.S. Bartlett | Improvement in mortising-machines | mortising machines |
| 48,863 | Jul. 18, 1865 | C.L. Zeidler | Improvement in mortising-machines | mortising machines |
