| All Patents in class 30/438 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 95,873 | Oct. 19, 1869 | W.M. Bleakley | Can Opener | can and jar openers |
| 327,983 | Oct. 13, 1885 | I.N. Arment | Can Opener | can and jar openers |
| 402,327 | Apr. 30, 1889 | F.A. Huehn | Combination Household Tool | combination tools |
| 426,409 | Apr. 22, 1890 | F.L. Downend | Combination Tool | combination tools |
| 433,263 | Jul. 29, 1890 | H.B. Alliger | Can Opener | can and jar openers |
| 626,507 | Jun. 06, 1899 | F.C. Smalstig | Can Opener | can and jar openers |
| 706,823 | Aug. 12, 1902 | M.L. Hawks | Can Opener | can and jar openers |
| 765,450 | Jul. 19, 1904 | F. Winkler, F. White | Can-opener | combination cork extractors |
| 906,376 | Dec. 08, 1908 | O.E. Braconier | Can Opener | combination cork extractors |
| 1,168,669 | Jan. 18, 1916 | C.J. Garey, I.H. Murdick | Jar Wrench | jar wrenches |
| 1,770,418 | Jul. 15, 1930 | G.C. McCaskill | Seven-Tool Combination | combination cork extractors |
