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| Patents for Quincy, Manchester, Sargent Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 867,643 | Oct. 08, 1907 | H.W. Cotton | Sawing Machine | power hacksaws | |
| 909,954 | Jan. 19, 1909 | E.M. Smith | Rail Brace | track and switches | |
| 914,299 | Mar. 02, 1909 | J. McCarthy | Universal Clamp for Cold Sawing Machines | metalworking machine vises | |
| 972,471 | Oct. 11, 1910 | C.F. Quincy | Insulated Rail Joint | track and switches | |
| 1,020,941 | Mar. 19, 1912 | J.H. Allen | Rail Joint | track and switches | |