| All Patents in class D8/21 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 227,768 | May 18, 1880 | G.W. Griffiths | Pipe-Wrench | alligator wrenches |
| 342,824 | Jun. 01, 1886 | J.K. Clark | Improvements in Adjustable Keys or Wrenches | socket wrenches |
| D19,412 | Nov. 12, 1889 | B. Donohue | Design For an Insertible Jaw For Wrenches | wrench jaw components |
| D24,518 | Jul. 30, 1895 | W.T. Johnston | Handled Wrench Head | wrench jaw components |
| D28,487 | Apr. 19, 1898 | H.J. Martin | Wrench Jaw | wrench jaw components |
| D29,767 | Dec. 06, 1898 | A. Vaughan | Wrench Handle | wrench handle components |
| D31,141 | Jul. 04, 1899 | O. Lannon | Pipe Wrench Handle | wrench handle components |
| D31,593 | Oct. 03, 1899 | H.L. Wallace | Design for a brace and wrench member | braces |
| D32,744 | May 29, 1900 | L.M. Cabana | Design for a Spoke-Wrench | spoke nipple wrenches |
| D34,213 | Mar. 12, 1901 | B. Baxter | Design for a Wrench | wrenches |
| D34,837 | Jul. 23, 1901 | J.B. Barnes | Wrench For Stay Bolts For Boiler Sheets | wrenches |
| D34,838 | Jul. 23, 1901 | J.B. Barnes | Wrench For Stay Bolts For Boiler Sheets | wrenches |
| D45,165 | Jan. 13, 1914 | H.E. Warren | Wrench | wrenches |
| D50,372 | Feb. 20, 1917 | J.P. Worthington | Wrench | axle nut wrenches |
| 2,161,163 | Jun. 06, 1939 | T.L. Hedgpeth | Tool having identification insignia | wrenches |
