![]()  | |||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 29/455.1 | |||||
| Number | Date | Patentee | Title | Type | |
| 2,135,441 | Nov. 01, 1938 | L.L. Schauer | Welded bitubular column | radial drill presses | |
| 2,828,531 | Apr. 01, 1958 | C.J. Bath | Method of Making a Helicopter Blade | manufacturing processes | |