| All Patents in class 144/75 |
Patents 16 -
30
of 87
      |
| Number | Date | Patentee | Title | Type |
| 752 | May 30, 1838 | J. Andrews | Machine for mortising timber, &c. | mortising machines |
| 937 | Sep. 22, 1838 | E.M. Shaw | Machine for mortising timber | mortising machines |
| 1,649 | Jun. 20, 1840 | A. Bailey | Mortising and tenoning machine | mortising machines |
| 2,010 | Mar. 18, 1841 | J. King | Machine for mortising | mortising machines |
| 2,425 | Jan. 17, 1842 | J.A. Fay | Machine for mortising timber | mortising machines |
| 3,054 | Apr. 25, 1843 | A. Thompson | Machine for mortising hubs | mortising machines |
| 3,602 | May 25, 1844 | E. Lyman | Tenoning and mortising machine | mortising machines |
| 3,891 | Jan. 23, 1845 | R.D. Roys, N. French | Machine for boring and mortising | mortising machines |
| 4,195 | Sep. 17, 1845 | C. Bennett | Mortising-machine | mortising machines |
| 4,387 | Feb. 20, 1846 | B.H. Otis | Mortising-machine | mortising machines |
| 4,936 | Jan. 21, 1847 | J.W. Ingle | Mortising shutters | mortising machines |
| 7,635 | Sep. 10, 1850 | S. Spencer | Improvement in mortising-machines | mortising machines |
| 9,431 | Nov. 30, 1852 | J. Guild | Mortising-machine | mortising machines |
| 10,464 | Jan. 24, 1854 | S.S. Bartlett, J.E. Brown | Mortising-machine | mortising machines |
| 11,177 | Jun. 27, 1854 | S.E. Plumb, H. Plumb | Mortising-machine | mortising machines |
