| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 72/299 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 392,119 | Oct. 30, 1888 | M. Hardsocg | Method of Twisting Augers | |
| 437,702 | Oct. 07, 1890 | M.D. Loomis | Converting Helical Springs to Straight Bars | ||
| 2,859,793 | Nov. 11, 1958 | J.L. Ross | Pivotally Mounted Laterally Spaced Fluid Pressure Means for Twisting Crankshafts | ||