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| Patents for Estwing Manufacturing Company, Inc. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 1,578,502 | Mar. 30, 1926 | E.O. Estwing | Hatchet | |
 | RE16,820 | Dec. 20, 1927 | E.O. Estwing | Hatchet | |
 | 1,707,787 | Apr. 02, 1929 | E.O. Estwing | Estwing Hammer & Hatchet Handle | |
 | D205,176 | Jun. 28, 1966 | A.S. Reuterfors | Hack Saw | |