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| Patents for Central Electric Tool Co. | |||||
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| Picture | Number | Date | Patentee | Title | |
 | CA-239,417 | Apr. 15, 1924 | C.S. Weyandt | System for operating electric reciprocating motors | |
 | CA-264,472 | Sep. 21, 1926 | C.S. Weyandt | Reciprocating motor | |
 | CA-268,265 | Feb. 08, 1927 | C.S. Weyandt | Reciprocating motor | |
 | CA-269,624 | Apr. 05, 1927 | C.S. Weyandt | Method of and means for controlling reciprocating motors | |
 | CA-297,437 | Feb. 11, 1930 | C.S. Weyandt | Reciprocating motor | |
 | 1,819,140 | Aug. 18, 1931 | C.S. Weyandt, H.E. Fox | Reciprocating motor | |