| Patents for Frank Watts Burpee |
Patents 1 -
10
of 29
      |
| Picture | Number | Date | Patentee | Title |
 | CA-45,564 | Mar. 16, 1894 | J.M. Letson, F.W. Burpee | Can washing machine |
 | CA-60,646 | Jul. 19, 1898 | J.M. Letson, F.W. Burpee | Can capping machine |
 | CA-63,240 | Jun. 10, 1899 | F.W. Burpee, J.M. Letson | Fish cutting machine |
| | 629,574 | Jul. 25, 1899 | J.M. Letson, F.W. Burpee | Can-capping machine |
| | 645,862 | Mar. 20, 1900 | J.M. Letson, F.W. Burpee | Fish-cutting machine |
 | CA-69,208 | Oct. 31, 1900 | J.M. Letson, F.W. Burpee | Shield for fish or meat can |
 | CA-74,214 | Dec. 24, 1901 | J.M. Letson, F.W. Burpee | Soldering machine |
 | CA-75,325 | Apr. 01, 1902 | F.W. Burpee, J.M. Letson | Closed retort for treating canned material |
| | 697,345 | Apr. 08, 1902 | J.M. Letson, F.W. Burpee | Soldering-machine |
 | CA-77,231 | Sep. 02, 1902 | J.M. Letson, F.W. Burpee | Closure for retorts |
