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All Patents in class 137/576 | |||||
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Number | Date | Patentee | Title | Type | |
2,052,401 | Aug. 25, 1936 | E.R. Klemm, Jr. | Governor | internal combustion engine governors | |
2,277,006 | Mar. 17, 1942 | P.S. Russel | Control Device | flow controls |