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| Patents for G. H. Lockwood | |||||
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| Number | Date | Patentee | Title | Type | |
| 640,667 | Jan. 02, 1900 | J.W. Lambert | Gas-engine cylinder | gas and gasoline engines | |
| 656,408 | Aug. 21, 1900 | J.W. Lambert | Gas-engine governor-valve | gas and gasoline engines | |