| Patents for David Weir |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 549,837 | Nov. 12, 1895 | D. Weir | Drill-chuck |
| | CA-51,626 | Mar. 11, 1896 | D. Weir | Drill chuck |
| | CA-52,043 | Apr. 22, 1896 | D. Weir | Drill chuck |
| | GB-189,607,812 | May 16, 1896 | D. Weir | Improvements in drill-chucks |
| | GB-189,807,802 | May 14, 1898 | D. Weir | Improved appliance for opening and closing skylight sashes |
 | 1,022,166 | Apr. 02, 1912 | D. Weir | Chuck |
 | 1,165,989 | Dec. 28, 1915 | W.J. McIntyre, D. Weir | Threading-die |
 | 1,225,089 | May 08, 1917 | D. Weir | Chuck |
| | 1,288,324 | Dec. 17, 1918 | D. Weir | Chuck |
