| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 411/938 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 658,085 | Sep. 18, 1900 | C.A. Higbee | Screw-coupling | |
| 658,086 | Sep. 18, 1900 | C.A. Higbee | Screw-coupling | ||
| 1,897,666 | Feb. 14, 1933 | F.O. Hoagland | Machine Tool Spindle | ||