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| All Patents in class 222/501 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 25,831 | Oct. 18, 1859 | G.P. Hunt | Oil Can | ||
 | 624,282 | May 02, 1899 | W.H. Wyler | Oiler | |
 | 1,050,158 | Jan. 14, 1913 | J.H. Miner | Acetylene-gas generator | |