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| Patents for Samuel L. Clemens | |||||
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| Number | Date | Patentee | Title | Type | |
| 121,992 | Dec. 19, 1871 | S.L. Clemens | Improvement in adjustable and detachable straps for garments | ||
| 140,245 | Jun. 24, 1873 | S.L. Clemens | Improvement in scrap-books | ||
| 237,061 | Jan. 25, 1881 | C. Sneider | Scrap-book | ||
| 324,535 | Aug. 18, 1885 | S.L. Clemens | Game apparatus | ||