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