| All Patents in class 81/3.42 |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 285,048 | Sep. 18, 1883 | G.A. Liljencrantz | Fruit Jar Opener | jar wrenches |
| 439,931 | Nov. 04, 1890 | C.A. Crandall | Fruit Jar Holder | jar wrenches |
| 637,268 | Nov. 21, 1899 | D. Linebaugh | Wrench | wrench jaw components |
| 736,455 | Aug. 18, 1903 | F.L. Stork | Tool For Removing Screw Caps From Jars | jar wrenches |
| 847,744 | Mar. 19, 1907 | A. Dudly, Sr. | Stopper-extractor | non worm cork extractors |
| 1,168,669 | Jan. 18, 1916 | C.J. Garey, I.H. Murdick | Jar Wrench | jar wrenches |
| 1,394,033 | Oct. 18, 1921 | E.A. Dautor, J.A. McLeod | Adjustable Jar Cover Opener | jar wrenches |
| 1,471,353 | Oct. 23, 1923 | A. Pihl | Fruit Jar Wrench | jar wrenches |
| 1,506,640 | Aug. 26, 1924 | W.W. Hummel | Sealer | |
| 1,606,569 | Nov. 09, 1926 | E.H. Guess | Jar Wrench | jar wrenches |
| 1,894,556 | Jan. 17, 1933 | H.J. Edlund | Device For Removing Screw Tops | jar wrenches |
| 2,000,962 | May 14, 1935 | F.K. Krag | Can Or Jar Opener | can and jar openers |
| D138,817 | Sep. 19, 1944 | B.F. Hayden | Jar Wrench | jar wrenches |
| D156,709 | Jan. 03, 1950 | J. Drazick | Cap Gripper | jar wrenches |
| 3,119,290 | Jan. 28, 1964 | R.G. Ivie | Work Gripping Wrench Socket | socket wrenches |
