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| Patents for John E. Laing | |||||
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| Number | Date | Patentee | Title | Type | |
| 154,471 | Aug. 25, 1874 | C.H. Fulmer | Pipe-Wrenches | pipe wrenches | |
| 159,229 | Jan. 26, 1875 | H.C. Stouffer | Improved Pipe-Tongs | pipe tongs | |
| 160,415 | Mar. 02, 1875 | C.H. Fulmer | Pipe-Wrench | pipe wrenches | |
| 166,428 | Aug. 03, 1875 | H.C. Stouffer | Improvement in Pipe-Wrenches | screw adjust wrenches | |