| All Patents in class 81/3.44 |
Patents 31 -
45
of 45
      |
| Number | Date | Patentee | Title | Type |
| 953,467 | Mar. 29, 1910 | A. Kahn | Fruit Jar Wrench | jar wrenches |
| 976,868 | Nov. 29, 1910 | P.L. Hoffman, L.J. Graffort | Fruit Jar Wrench | jar wrenches |
| 1,196,232 | Aug. 29, 1916 | A.R. Gurnett | Device For Opening And Closing Fruit Jars | jar wrenches |
| 1,227,183 | May 22, 1917 | J.L. Needham | Jar Wrench | jar wrenches |
| 1,281,575 | Oct. 15, 1918 | C.A. Ives | Wrench Device | jar wrenches |
| 1,329,707 | Feb. 03, 1920 | E.J. Hansen | Combination Tool | can and jar openers |
| 1,342,848 | Jun. 08, 1920 | C.L. Johnson | Cap-Removing Tool | jar wrenches |
| 1,363,316 | Dec. 28, 1920 | J. Dudek | Cap Wrench | jar wrenches |
| 1,429,452 | Sep. 19, 1922 | E.V. Phillips | Combination Fruit-Jar Opener and Sealer | jar wrenches |
| 1,457,774 | Jun. 05, 1923 | T. Harding, B. Biehl, Sr. | Can Opening Wrench | jar wrenches |
| 1,906,454 | May 02, 1933 | W.S. Elters | Culinary Tongs | combination cork extractors |
| 2,029,810 | Feb. 04, 1936 | W.F. Yeoman, W.F. Connolly | Jar Holder | jar wrenches |
| 2,055,854 | Sep. 29, 1936 | E.H. Stibbe | Jar Holder | jar wrenches |
| 2,495,308 | Jan. 24, 1950 | J.N. Amigone | Gripper-type cork extractor | combination cork extractors |
| 4,949,576 | Aug. 21, 1990 | F.D. Floyd | Self-adjusting Lid Wrench | jar wrenches |
