| All Patents in class 403/360 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 473,567 | Apr. 26, 1892 | C.G. Curtis | Commutator Connection for Electric Motors or Generators | electric motors |
| 1,651,777 | Dec. 06, 1927 | W.A. Peck | Extension-Bit Holder | drill bit extensions |
| 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. | socket wrenches |
| 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 | metal lathe accessories and attachments |
| 2,832,246 | Apr. 29, 1958 | F.W. Livermont | Detachable Wrench Head Construction | wrench components |
| 6,000,888 | Dec. 14, 1999 | R.L. Hartman | Quick Coupler Mechanism for Power Tool Bits | |
