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| Patents for Chas. S. Hyer | |||||
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| Number | Date | Patentee | Title | Type | |
| 494,161 | Mar. 28, 1893 | W. Rankin | Combination Tool | pliers | |
| 508,519 | Nov. 14, 1893 | H.H. Kendrick | Wrench | ratchet wrenches | |
| 515,550 | Feb. 27, 1894 | J.J. McManus | Gage for Rules | rule attachments | |
| 535,805 | Mar. 12, 1895 | B. Molloy | Railroad Tool | ||
| 643,140 | Feb. 13, 1900 | C.C. King, J.H. King | Wrench | axle nut wrenches that lock nut to wheel hub | |
| 718,817 | Jan. 20, 1903 | S.B. Terry, S.A. Caldwell | Protracting Square | bevels | |