| Patents for W. H. Banfield & Sons, Ltd. |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| CA-168,023 | Mar. 07, 1916 | E.J. Banfield | Machines for finishing base or gas-check plugs for artillery shells | metal lathes |
| CA-181,459 | Jan. 01, 1918 | W.I. Banfield | Central tubes for shrapnel shells | rockets and grenades |
| CA-186,201 | Aug. 27, 1918 | W.I. Banfield | Shell fuse hole shipping plug | rockets and grenades |
| CA-224,694 | Oct. 10, 1922 | W.H. Banfield | Manufacture of piston rings | metalworking machines |
| CA-257,304 | Jan. 19, 1926 | W.I. Banfield | Electric switch box | electrical devices |
