| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Gordon McIntosh Letson | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| CA-286,312 | Jan. 08, 1929 | G.M. Letson, D.A. McIntosh | Derrick conveyer | hoists, winches, come-alongs | |
| 3,367,479 | Feb. 06, 1968 | G.M. Letson, R.A. Baldrey | Impact absorbing apparatus | woodworking machine material handling | |
| CA-834,556 | Feb. 17, 1970 | G.M. Letson, R.A. Baldrey | Impact absorbing conveyor roll | woodworking machine material handling | |