| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Douglas Aircraft Co. Inc. | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 2,427,924 | Sep. 23, 1947 | E.H. Rose | Internal Screw Thread and Diameter Gauge | |
 | 2,548,490 | Apr. 10, 1951 | O.A. Muller | Depth and Angle Gauge | |