| All Patents in class 81/57.39 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 418,337 | Dec. 31, 1889 | H.F. Kors | Railway Fish-Plate Bolt Wrench | ratchet wrenches |
| 484,288 | Oct. 11, 1892 | P. Brolin | Wrench | ratchet wrenches |
| 591,779 | Oct. 12, 1897 | R. Hagstrom | Wrench | ratchet wrenches |
| 613,283 | Nov. 01, 1898 | W.F. Krahe | Spoke Grip | spoke nipple wrenches |
| 732,055 | Jun. 30, 1903 | A. Donavan | Ratchet Wrench | ratchet wrenches |
| 935,482 | Sep. 28, 1909 | B.W. Fresko, A. Fresko | Wrench | ratchet wrenches |
| 970,209 | Sep. 13, 1910 | B.W. Fresko, A. Fresko | Wrench | ratchet wrenches |
| 1,391,619 | Sep. 20, 1921 | L.A. Edwinson | Ratchet Wrench | ratchet wrenches |
| 2,290,197 | Jul. 21, 1942 | C.D. Burbank, H.H. Merriman | Wrench | ratchet wrenches |
| 2,578,686 | Dec. 18, 1951 | H.L. Fish | Open-Sided-Socket Ratchet Wrench | ratchet wrenches |
| 2,712,256 | Jul. 05, 1955 | H.L. Fish | Open Ratchet Wrench | ratchet wrenches |
| 2,726,563 | Dec. 13, 1955 | G.W. Blackburn | Rachet Wrench Provided with Supplemental Head Turnig Means | ratchet wrenches |
| 2,817,257 | Dec. 24, 1957 | T.J. Kniser | Ratchet Wrench with Supplemental Head Turning Means | ratchet wrenches |
| 2,954,715 | Oct. 04, 1960 | C.E. Wycech | Open Head Ratchet Wrench | ratchet wrenches |
| 3,270,595 | Sep. 06, 1966 | J.A. Blachowski, E.L. Hall | Offset Drive Attachment with Reversing Means | auxiliary wrenches |
