| All Patents of Type: corkscrew knives |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 573,475 | Dec. 22, 1896 | C.H. Muller | Corkscrew-knife | corkscrew knives |
| 577,259 | Feb. 16, 1897 | A. Kastor | Combined corkscrew and pocket-knife | corkscrew knives |
| 610,530 | Sep. 13, 1898 | E. Hammesfahr | Pocket-corkscrew | corkscrew knives |
| 637,048 | Nov. 14, 1899 | B. Toulotte | Stopper Extractor | corkscrew knives |
| 921,988 | May 18, 1909 | J.R. Heath | Pocket-knife | corkscrew knives |
| 989,680 | Apr. 18, 1911 | C. Weyer, C.W. Windhovel | Pocket-corkscrew | corkscrew knives |
| 1,701,467 | Feb. 05, 1929 | C.W. Tillmanns | Handled tool | corkscrew knives |
