| All Patents in class 403/360 |
Patents 1 -
8
of 8
      |
| Picture | Number | Date | Patentee | Title |
| | 473,567 | Apr. 26, 1892 | C.G. Curtis | Commutator Connection for Electric Motors or Generators |
 | 1,651,777 | Dec. 06, 1927 | W.A. Peck | Extension-Bit Holder |
 | 1,980,952 | Nov. 13, 1934 | G.O. Leopold, T.J. Fegley | Machine for breaking cubes of ice |
 | 2,162,359 | Jun. 13, 1939 | H.A. Rhinevault | Lock for Socket Wrenches, etc. |
 | 2,221,141 | Nov. 12, 1940 | E.T. Kindt | Dowel pin |
 | 2,539,235 | Jan. 23, 1951 | F.L. Dodge | Work supporting mechanism for the spindles of machine tools |
| | 2,832,246 | Apr. 29, 1958 | F.W. Livermont | Detachable Wrench Head Construction |
| | 6,000,888 | Dec. 14, 1999 | R.L. Hartman | Quick Coupler Mechanism for Power Tool Bits |