| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for H. M. Clark | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
 | 18,135 | Sep. 08, 1857 | H.M. Clark | Hinged Claw and Screw-Adjusting Gripper Wrench | |
 | 141,745 | Aug. 12, 1873 | G.F. Almy | Improvement in Hollow Augers | |