| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 336/84R | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 422,746 | Mar. 04, 1890 | M. von Dolivo-Dobrowolsky | Electric induction apparatus or transformer | electric distribution systems | |
| 433,702 | Aug. 05, 1890 | N. Tesla | Electrical transformer or induction device | ||
| 2,279,014 | Apr. 07, 1942 | M.B. Sawyer | Electromagnetic apparatus | induction motors | |