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| All Patents in class 200/401 | |||||
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| Number | Date | Patentee | Title | Type | |
| 758,478 | Apr. 26, 1904 | J.H. Rusby | Electric switch | electric switches | |
| 1,232,050 | Jul. 03, 1917 | F. Kraemer | Pressure Riveter | riveting machines | |