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All Patents in class 91/458 | |||||
Number | Date | Patentee | Title | Type | |
588,655 | Aug. 24, 1897 | J.F. Raders | Non-Centrifugal Governor and Speed Indicator | steam engine governors | |
1,088,079 | Feb. 24, 1914 | F.M. Leavitt | Engine-governor | torpedoes |