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| All Patents in class 83/450 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,602,475 | Jul. 08, 1952 | W.A. Andreae, M.R. Andreae, H.D. Andreae | Reciprocative electromagnetic tool | reciprocating or vibrating electric motors | |
| 2,848,021 | Aug. 19, 1958 | G.R. Bell | Power saw work hold-down attachment | scrollsaws | |
| 3,104,688 | Sep. 24, 1963 | F.N. Bretthauer | Band saw guard | bandsaw accessories | |