| All Patents in class 81/460 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
 | 1,371,965 | Mar. 15, 1921 | P. York | Port Plug Wrench |
 | 1,380,562 | Jun. 07, 1921 | M. Keating | Valve Plug Remover |
 | 1,908,081 | May 09, 1933 | J.P. Thompson | Screw driver |
 | 2,046,837 | Jul. 07, 1936 | H.F. Phillips | Means for Uniting a Screw with a Driver |
 | 2,046,838 | Jul. 07, 1936 | H.F. Phillips | Screw Driver |
 | 2,046,840 | Jul. 07, 1936 | T.M. Fitzpatrick, H.F. Phillips | Screw Driver |
| | 2,066,372 | Jan. 05, 1937 | J.J. Tomalis | Method of Making Dies or Punches |
 | 2,507,231 | May 09, 1950 | L.D. Tomalis, administratrix, J.J. Tomalis, estate of (deceased) | Screw Driver Having Cruciform Bit |
 | 2,522,217 | Sep. 12, 1950 | H.G. Fischer, L.J. Wendling | Composite bit device for screw drivers and the like |
 | D160,645 | Oct. 24, 1950 | J.V. Milo | Tank Cap Tool |
