| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 242/571.1 | |||||
      | |||||
| Picture | Number | Date | Patentee | Title | |
| 3,096,949 | Jul. 09, 1963 | H.W. Huffman | Air expandable core shaft | ||
| 3,133,740 | May 19, 1964 | A.W. Drantz | Hydraulic Type Holder for Drill Chucks and the Like | ||