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| Patents for C. W. Hills | |||||
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| Number | Date | Patentee | Title | Type | |
| 420,272 | Jan. 28, 1890 | C.E. Hudson | Tool For Fastening Hose to Couplings | pliers | |
| 758,191 | Apr. 26, 1904 | W. Robertson | Coaling-station | ||
| 840,369 | Jan. 01, 1907 | G.W. Pringle | Automatic lathe | pattern lathes | |
| 854,872 | May 28, 1907 | A.D. Coleman, C. Stecher | Lock-seaming machine | ||
| 877,135 | Jan. 21, 1908 | C. Stecher | Flanging-machine | ||