| Patents for Letson & Burpee, Ltd. |
Patents 1 -
15
of 50
      |
| Number | Date | Patentee | Title | Type |
| CA-84,949 | Jan. 19, 1904 | F.W. Burpee | Shingle making machine | shingle machines |
| 760,610 | May 24, 1904 | F.W. Burpee | Shingle-machine | shingle machines |
| CA-92,344 | Mar. 28, 1905 | F.W. Burpee | Machine for sawing shingles | shingle machines |
| CA-94,206 | Jul. 18, 1905 | F.W. Burpee | Can salting machine | canning apparatus |
| CA-97,694 | Feb. 27, 1906 | F.W. Burpee | Shingle making machine | shingle machines |
| 854,075 | May 21, 1907 | F.W. Burpee | Can-salting machine | canning apparatus |
| 864,750 | Aug. 27, 1907 | F.W. Burpee | Shingle-machine | shingle machines |
| CA-163,000 | Jun. 08, 1915 | F.W. Burpee | Conveyer | canning apparatus |
| CA-163,594 | Jul. 06, 1915 | D.A. McIntosh | Retort for heating cans | canning apparatus |
| 1,151,111 | Aug. 24, 1915 | D.A. McIntosh | Can-heating retort | canning apparatus |
| CA-169,296 | May 09, 1916 | F.W. Burpee | Can cover seaming machine | canning apparatus |
| CA-171,446 | Aug. 22, 1916 | F.W. Burpee | Can seaming machine | can making machines |
| 1,224,445 | May 01, 1917 | F.W. Burpee | Conveyer | canning apparatus |
| CA-184,757 | Jun. 04, 1918 | F.W. Burpee | Can opener | can and jar openers |
| CA-185,980 | Aug. 06, 1918 | F.W. Burpee | Flanger for cans | can making machines |
