| Patents for Donald Joseph Smith |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| CA-404,565 | May 05, 1942 | D.J. Smith | Chain saw tensioning means | handheld chainsaws |
| 2,316,996 | Apr. 20, 1943 | D.J. Smith | Cutoff saw | handheld chainsaws |
| 2,316,997 | Apr. 20, 1943 | D.J. Smith | Tensioning means for chain saws | handheld chainsaws |
| 2,356,437 | Aug. 22, 1944 | D.J. Smith | Chain saw construction | handheld chainsaws |
| 2,688,989 | Sep. 14, 1954 | D.J. Smith | Lubricating device for chain saws | handheld chainsaws |
| 2,714,406 | Aug. 02, 1955 | D.J. Smith | Portable chain saw | handheld chainsaws |
