| All Patents in class 279/102 |
Patents 31 -
45
of 62
      |
| Number | Date | Patentee | Title | Type |
| 993,421 | May 30, 1911 | B.F. Vickery | Friction Tool Holder | boring bars |
| 1,041,451 | Oct. 15, 1912 | T.J. Fegley, G.O. Leopold | Means for attaching blades of tools to handles | screwdrivers |
| 1,072,479 | Sep. 09, 1913 | F.N. Martindale | Wrench | nut wrenches |
| 1,287,068 | Dec. 10, 1918 | A. Oesch, A. Marti | Tool Holder | drilling and boring tool holders |
| 1,391,242 | Sep. 20, 1921 | G.P. Butler | Process For Making Hand Tools | screwdrivers |
| 1,425,598 | Aug. 15, 1922 | W. Lauber | Tool Handle | tool handles |
| 1,685,503 | Sep. 25, 1928 | E.M. Pfauser | Socket Wrench | socket wrenches |
| 1,721,065 | Jul. 16, 1929 | C. Bodmer | Hand tool | |
| 1,759,101 | May 20, 1930 | J.E. Daniels | Adjustable Floating Tool Holder | lathe tool holders and tool posts |
| 1,839,835 | Jan. 05, 1932 | H.J. Cook | Screw driver | screwdrivers |
| 1,853,128 | Apr. 12, 1932 | K.A. Johanson, E.G. Hysing | Tool Holder Adapted for Motor Driven Striking Tools | tool holders |
| 1,888,222 | Nov. 22, 1932 | A.E. Keating, H.B. Curtis | Screw Driver | screwdrivers |
| 1,917,531 | Jul. 11, 1933 | J.F. Lincoln | Electric Arc Welding Apparatus | welding machines |
| 1,956,875 | May 01, 1934 | W.F. Paradise | Mumble Peg Toy | combination cork extractors |
| 2,048,652 | Jul. 21, 1936 | A.L. Stowell | Combination hand tool and spark tester | combination tools |
