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| Patents for Patrick H. Lawler | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 76,782 | Apr. 14, 1868 | P.H. Lawler | Improvement in shingle machines | |
![]() | 85,104 | Dec. 22, 1868 | W.H. Gibson, P.H. Lawler | Improved gas-machine | |
![]() | 106,260 | Aug. 09, 1870 | J.B. Dougherty | Improvement in machine for manufacturing hoops | |