| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 403/330 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 78,652 | Jun. 09, 1868 | J.W. Craig | Improvement in braces for bits | brace chucks | |
| 139,174 | May 20, 1873 | F.H. Merrill | Improved Pipe Tongs | pipe tongs | |
| 1,253,511 | Jan. 15, 1918 | J.C. Moler | Coal Drill Socket Retaining Apparatus | ||
| 1,954,048 | Apr. 10, 1934 | S.C. Moon, R.K. Jeffery | Tool Holder | drilling and boring tool holders | |