| All Patents in class 144/76 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
 | 165,495 | Jul. 13, 1875 | H. Neamann | Improvement in boring and mortising machines |
 | 218,028 | Jul. 29, 1879 | H.A. Holt | Improvement in machines for mortising doors for locks |
 | 286,016 | Oct. 02, 1883 | I.W. Johnson | Mortising machine |
 | 345,637 | Jul. 13, 1886 | I.W. Johnson | Mortising machine |
 | 504,722 | Sep. 12, 1893 | N.C. Heston, L. Grant | Mortising machine |
| | 631,202 | Aug. 15, 1899 | J.E. Dearborn | Lock-mortising machine |
| | 665,791 | Jan. 08, 1901 | I. Lightner | Mortising and tenoning machine |
 | 809,954 | Jan. 16, 1906 | F.K. Huber | Tool for mortising door-frames for hinges |
