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| All Patents in class 346/61 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,117,213 | Nov. 17, 1914 | H.B. McCabe | Time Controlled Electric Switch and Recording Register | time registers | |
| 1,403,044 | Jan. 10, 1922 | H.B. McCabe | Time Recording Register | time registers | |