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| Patents for Wm. A. Rosenbaum | |||||
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| Number | Date | Patentee | Title | Type | |
| 312,548 | Feb. 17, 1885 | J.W. Atkinson | L-Shaped Level | levels | |
| 329,642 | Nov. 03, 1885 | C.V. Greenamyer | Car Mover | ||
| 342,560 | May 25, 1886 | A.M. Barber | Saw Frame | hacksaws | |