| All Patents in class 81/439 |
Patents 1 -
10
of 28
      |
| Picture | Number | Date | Patentee | Title |
 | 190,119 | May 01, 1877 | B.L. Budd | Improvement in Screw-Drivers |
 | 366,439 | Jul. 12, 1887 | T. Troy | Reversible Screw Driver |
 | 466,220 | Dec. 29, 1891 | T.H. Buffington | Screw Driver |
 | 504,757 | Sep. 12, 1893 | A. Schuermann | Screwdriver |
 | 537,246 | Apr. 09, 1895 | A.B. Stone | pocket screwdriver |
 | 592,176 | Oct. 19, 1897 | L.S. Starrett | Reversible Pocket Tool |
 | 686,424 | Nov. 12, 1901 | W.J. Smith | Screwdriver Kit |
 | 814,020 | Mar. 06, 1906 | H.A. Clifford | Convertible Tool Handle |
| | 939,079 | Nov. 02, 1909 | W.A. Peck | Tool Holder |
| | 1,236,258 | Aug. 07, 1917 | J.B. Brown | Tool Holder |
