| All Patents in class 403/328 |
Patents 1 -
10
of 21
      |
| Picture | Number | Date | Patentee | Title |
 | 267,060 | Nov. 07, 1882 | E. Buell | Tool Handle |
 | 814,020 | Mar. 06, 1906 | H.A. Clifford | Convertible Tool Handle |
 | 1,371,750 | Mar. 15, 1921 | W.R. Fox | Flexible shaft-coupling |
| | 1,422,058 | Jul. 04, 1922 | V. Hovanec | Tool Holder |
 | 1,566,849 | Dec. 22, 1925 | W.R. Fox | Coupling for flexible shafting |
 | 1,790,238 | Jan. 27, 1931 | W.F. Klein | Socket Connection |
 | 1,896,645 | Feb. 07, 1933 | E.M. Pfauser | Coupling For Socket Wrenches |
 | 1,927,844 | Sep. 26, 1933 | E.M. Pfauser | Socket Wrench |
 | RE19,093 | Feb. 27, 1934 | E.M. Pfauser | Coupling For Socket Wrenches |
| | 1,954,049 | Apr. 10, 1934 | R.K. Jeffery | Tool Holder |
