| Patents for Letson & Burpee Co., Ltd. |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | CA-84,949 | Jan. 19, 1904 | F.W. Burpee | Shingle making machine |
 | CA-97,694 | Feb. 27, 1906 | F.W. Burpee | Shingle making machine |
| | CA-208,000 | Jan. 25, 1921 | W. Bandy, D.A. McIntosh | Oscillating clutch |
| | CA-218,954 | May 23, 1922 | W. Bandy | Intermittent feed clutch |
| | CA-255,782 | Nov. 24, 1925 | D.A. McIntosh | Shingle machine set work |
| | CA-259,204 | Mar. 23, 1926 | W.H. Porter | Feed clutch |
| | CA-273,212 | Aug. 16, 1927 | W.H. Porter | Feed clutch |
| | CA-286,312 | Jan. 08, 1929 | D.A. McIntosh, G.M. Letson | Derrick conveyer |
 | CA-612,214 | Jan. 10, 1961 | H.M. Schmelcher | Split mitre gear |
 | CA-690,774 | Jul. 14, 1964 | R.D. Batt | Log haul conveyer chain |
