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| Patents for Arthur L. Bowker | |||||
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| Number | Date | Patentee | Title | Type | |
| 549,700 | Nov. 12, 1895 | C.B. Bosworth, J.H. Millett | Steam-gage | steam pressure gauges | |
| 603,391 | May 03, 1898 | F.L. Wolfe | Pressure-recorder | steam pressure gauges | |