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| Patents for E. M. Birdsall & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 247,726 | Sep. 27, 1881 | W.N. Whipple | Portable saw-mill | circular sawmills | |
| 319,181 | Jun. 02, 1885 | G. Stringer, E.M. Birdsall | Feed mechanism for saw-mill carriages | sawmill feed works | |