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| Patents for Laird & Sweeney Mfg. Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 477,159 | Jun. 14, 1892 | R.B. Laird, J.B. Sweeney | Power Hammer | forging machines | |
| 529,634 | Nov. 20, 1894 | R.W. Laird, J.B. Sweeney | Power Hammer | power hammers | |