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| All Patents in class 30/164.7 | |||||
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| Number | Date | Patentee | Title | Type | |
| 296,501 | Apr. 08, 1884 | H. Albrecht | Ice-chipping tool | ice tools | |
| 655,692 | Aug. 14, 1900 | F.M. Snook, G.F. Dana | Ice Chipping Tool | ice shaves | |
| 667,276 | Feb. 05, 1901 | A.E. Colegrove, J.E. Welling | Ice Pick | ||