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All Patents in class 83/575 | |||||
Number | Date | Patentee | Title | Type | |
283,546 | Aug. 21, 1883 | E. Weston | Electro-magnetic motor | electric motors | |
2,602,475 | Jul. 08, 1952 | W.A. Andreae, M.R. Andreae, H.D. Andreae | Reciprocative electromagnetic tool | reciprocating or vibrating electric motors | |
2,771,102 | Nov. 20, 1956 | T.F. Carmichael | Vibratory electric cutting tool | reciprocating or vibrating electric motors |