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| Patents for Frederick Lunkenheimer | |||||
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| Number | Date | Patentee | Title | Type | |
| 206,589 | Jul. 30, 1878 | F. Lunkenheimer | Safety-Valve | steam safety valves | |
| 212,480 | Feb. 18, 1879 | F. Lunkenheimer | Oil-Cup | oil cups | |
| 213,292 | Mar. 18, 1879 | F. Lunkenheimer | Safety-Plug | safety guards and apparatus | |