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| Patents for Charles P. Steinmetz | |||||
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| Picture | Number | Date | Patentee | Title | |
| 513,992 | Feb. 06, 1894 | R. Eickemeyer | Method of and means for developing dyed stiff hat-bodies | ||
 | 596,186 | Dec. 28, 1897 | E.W. Rice, C.P. Steinmetz | Phase Regulator | |
| 609,016 | Aug. 16, 1898 | R. Eickemeyer | Electric elevator | ||
 | 620,965 | Mar. 14, 1899 | E.W. Rice, C.P. Steinmetz | Alternating Current Motor | |
 | 620,966 | Mar. 14, 1899 | E.W. Rice, Jr., C.P. Steinmetz | Induction Motor | |