| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| All Patents in class 474/156 | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 2,409,775 | Oct. 22, 1946 | A.W. Mall | Chain-saw machine | handheld chainsaws | |
| 3,391,863 | Jul. 09, 1968 | R.W. Morner, H.W. Huffman | Data card punching device | ||