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| All Patents in class 33/203.11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 440,621 | Nov. 18, 1890 | P. Curran | Gage | special purpose gauges | |
| 752,526 | Feb. 16, 1904 | F. Curran | Railroad Tire Gage | gauges | |