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| Patents for M. Hollingshead | |||||
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| Number | Date | Patentee | Title | Type | |
| 785,329 | Mar. 21, 1905 | C.O. Rasmussen | Rule | rule accessories | |
| 836,360 | Nov. 20, 1906 | J.L. Bogert | Crank-axle lathe | metal lathes | |
| 920,420 | May 04, 1909 | J.L. Bogert | Crank-axle lathe | metal lathes | |