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| Patents for William G. Stolz | |||||
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| Number | Date | Patentee | Title | Type | |
| 674,029 | May 14, 1901 | W.G. Stolz | Igniter or Circuit Breaker | ignition systems | |
| 674,030 | May 14, 1901 | W.G. Stolz | Electric Igniter for Explosive Engines | ignition systems | |
| 675,501 | Jun. 04, 1901 | W.G. Stolz | Valve Gear for Explosive Engines | internal combustion engine valves | |