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| Patents for John C. Lake | |||||
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| Number | Date | Patentee | Title | Type | |
| 339,195 | Apr. 06, 1886 | J.C. Lake, A.E. Lake | Hand-crank chain mortising machine for timbers | human powered machines | |
| 377,199 | Jan. 31, 1888 | R. Hughes, A.E. Lake, J.C. Lake | Square-hole auger | portable timber mortisers | |
| 412,101 | Oct. 01, 1889 | J.C. Lake, B.A. Lake | Picket mill | circular sawmills | |
| 725,261 | Apr. 14, 1903 | J.C. Lake | Self Heating Sad Iron | pressing irons | |