| Patents for Letson & Burpee, Ltd. |
Patents 1 -
10
of 50
      |
| Picture | Number | Date | Patentee | Title |
 | CA-84,949 | Jan. 19, 1904 | F.W. Burpee | Shingle making machine |
 | 760,610 | May 24, 1904 | F.W. Burpee | Shingle-machine |
 | CA-92,344 | Mar. 28, 1905 | F.W. Burpee | Machine for sawing shingles |
| | CA-94,206 | Jul. 18, 1905 | F.W. Burpee | Can salting machine |
 | CA-97,694 | Feb. 27, 1906 | F.W. Burpee | Shingle making machine |
| | 854,075 | May 21, 1907 | F.W. Burpee | Can-salting machine |
 | 864,750 | Aug. 27, 1907 | F.W. Burpee | Shingle-machine |
 | CA-163,000 | Jun. 08, 1915 | F.W. Burpee | Conveyer |
 | CA-163,594 | Jul. 06, 1915 | D.A. McIntosh | Retort for heating cans |
| | 1,151,111 | Aug. 24, 1915 | D.A. McIntosh | Can-heating retort |
