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