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| All Patents in class 200/404 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,232,050 | Jul. 03, 1917 | F. Kraemer | Pressure Riveter | riveting machines | |
| 2,178,839 | Nov. 07, 1939 | W.S. Landon | Control Device | flow controls | |