| Patents for John Lough |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 84,365 | Nov. 24, 1868 | J. Lough | Improvement in dressing saw-teeth | saw sharpening machines |
| CA-414 | May 17, 1870 | J. Lough | Improvements in apparatus for forming saw teeth by pressure | making sawblades |
| CA-792 | Feb. 07, 1871 | J. Lough | Improvements on Lough's self-acting saw-tooth press | saw sets |
| 111,953 | Feb. 21, 1871 | J. Lough | Improvement in saw-tooth swages | saw sharpening machines |
| CA-1,509 | Jun. 19, 1872 | J. Lough | Machine for dressing the teeth of circular saws | making sawblades |
