| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Einar K. Johansen | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,072,336 | Mar. 02, 1937 | E.K. Johansen | Duplicating Machine | milling machines | |
| 2,101,712 | Dec. 07, 1937 | E.K. Johansen | Tracer Mechanism for Duplicating Machines | metalworking machine mechanisms | |
| 2,190,988 | Feb. 20, 1940 | E.K. Johansen | Duplicating Machine | milling machines | |