| Patents for Letson & Burpee Co., Ltd. |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| CA-84,949 | Jan. 19, 1904 | F.W. Burpee | Shingle making machine | shingle machines |
| CA-97,694 | Feb. 27, 1906 | F.W. Burpee | Shingle making machine | shingle machines |
| CA-208,000 | Jan. 25, 1921 | W. Bandy, D.A. McIntosh | Oscillating clutch | shingle machines |
| CA-218,954 | May 23, 1922 | W. Bandy | Intermittent feed clutch | shingle machines |
| CA-255,782 | Nov. 24, 1925 | D.A. McIntosh | Shingle machine set work | shingle machines |
| CA-259,204 | Mar. 23, 1926 | W.H. Porter | Feed clutch | shingle machines |
| CA-273,212 | Aug. 16, 1927 | W.H. Porter | Feed clutch | shingle machines |
| CA-286,312 | Jan. 08, 1929 | D.A. McIntosh, G.M. Letson | Derrick conveyer | hoists, winches, come-alongs |
| CA-612,214 | Jan. 10, 1961 | H.M. Schmelcher | Split mitre gear | woodworking machine mechanisms |
| CA-690,774 | Jul. 14, 1964 | R.D. Batt | Log haul conveyer chain | woodworking machine stockfeeding mechanisms |
| CA-691,591 | Jul. 28, 1964 | R.A. Baldrey | Load moving structure | |
| CA-702,764 | Jan. 26, 1965 | R.D. Batt | Chain connecting conveyer chair | |
| CA-724,966 | Jan. 04, 1966 | F.E. Allen | Saw feeding machine | sawmill feed works |
| CA-810,994 | Apr. 22, 1969 | G.W. Mcleod | Log conveyor | woodworking machine material handling |
| CA-834,556 | Feb. 17, 1970 | G.M. Letson, R.A. Baldrey | Impact absorbing conveyor roll | woodworking machine material handling |
