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| Patents for H. S. Shepardson & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 13,897 | Dec. 04, 1855 | C.C. Tolman | Gimlet | gimlets | |
| 49,836 | Sep. 05, 1865 | H.S. Shepardson | Grater for spices and fruits | food grinders | |
| 100,458 | Mar. 01, 1870 | H.S. Shepardson | Curved or segmental sliding jaws | brace chucks | |
| 141,671 | Aug. 12, 1873 | H.S. Shephardson | Improvement in Gimlet-Handles | gimlets | |