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| All Patents in class 310/216.033 | |||||
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| Number | Date | Patentee | Title | Type | |
| 479,169 | Jul. 19, 1892 | J.F. Ott, A.E. Kennelly | Electro-magnetic machine | motor armatures | |
| 1,939,399 | Dec. 12, 1933 | E.P. Larsh | Electric fan | ||
| 1,954,828 | Apr. 17, 1934 | E.W. Petersen | Magneto Construction | magnetos | |
| 2,141,971 | Dec. 27, 1938 | C. Desoutter | Portable electric drill and the like | handheld power drills | |