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| All Patents in class 235/139R | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 217,827 | Jul. 22, 1879 | E. Stalmann | Counting-Register | |
 | 427,557 | May 13, 1890 | H.H. Cummings | Rivet-setting machine | |
| 618,359 | Jan. 24, 1899 | F. Lambert | Register | ||
 | 888,599 | May 26, 1908 | E. Ek | Meter | |