| All Patents in class 81/436 |
Patents 31 -
45
of 96
      |
| Number | Date | Patentee | Title | Type |
| 501,110 | Jul. 11, 1893 | H.V. Smith | Tool holder | |
| 525,189 | Aug. 28, 1894 | L.M. Devore | Handle | screwdrivers |
| 539,155 | May 14, 1895 | J.J. Tower | Improvement in Screw - Drivers | screwdriver handles |
| 570,188 | Oct. 27, 1896 | F.A. Roseman | Combination-Tool | combination tools |
| 687,401 | Nov. 26, 1901 | C.M. Morse | Screw-Driver | screwdriver handles |
| 697,836 | Apr. 15, 1902 | J.G. Gorham | Screw-driver | |
| 737,179 | Aug. 25, 1903 | W.S. Ward | Screw-driver | screwdriver handles |
| 765,302 | Jul. 19, 1904 | G.E. Wood | Screw Driver | screwdriver blades |
| 792,679 | Jun. 20, 1905 | J. Swan | Screw Driver or Similar Tool | screwdriver handles |
| 797,609 | Aug. 22, 1905 | E.A. Schade | Screwdriver Handle | screwdriver handles |
| 804,679 | Nov. 14, 1905 | E. Searle | Screw-Driver | screwdrivers |
| 814,020 | Mar. 06, 1906 | H.A. Clifford | Convertible Tool Handle | screwdriver handles |
| 835,149 | Nov. 06, 1906 | A.R. Anderson | Tool Handle | screwdrivers |
| 854,742 | May 28, 1907 | C.E. Hill | Adjustable extension bit holder | drill bit extensions |
| 871,155 | Nov. 19, 1907 | G.E. Wood | Insulating device | screwdriver blades |
