Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for Q. S. Backus | |||||
Number | Date | Patentee | Title | Type | |
82,583 | Sep. 29, 1868 | Q.S. Backus | Improved chuck-drill | drill bits | |
91,068 | Jun. 08, 1869 | Q.S. Backus | Improved vise | bench vises |