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| Patents for Chas. S. Hoyer | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 505,835 | Oct. 03, 1893 | C.H. Laird, H.M. Kulp | Watchmaker's Pliers | |
 | 711,408 | Oct. 14, 1902 | C.J. Maggard | Combined Hammer and Wrench | |