| All Patents in class 403/377 |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 62,057 | Feb. 12, 1867 | J.H. Nellis | Attaching bits to braces | brace chucks |
| 78,652 | Jun. 09, 1868 | J.W. Craig | Improvement in braces for bits | brace chucks |
| 390,583 | Oct. 02, 1888 | F.E. Frey | Shaft and Pulley Coupling | industrial machine pulleys and belt drive mechanisms |
| 720,786 | Feb. 17, 1903 | H.S. Covey | Holder on for Pneumatic Tools | tool holders |
| 1,826,459 | Oct. 06, 1931 | K.C. Council | Tool Holder | tool handles |
| 2,079,692 | May 11, 1937 | F.J. Lapointe | Broach shank connector | broaches |
| 2,154,651 | Apr. 18, 1939 | O.P. Wodack, H.M. Zschau | Tool retainer for portable power driven tools | drill chucks |
| 2,368,457 | Jan. 30, 1945 | G.G. Eisenbeis | Flexible Shafting Assembly | flexible shafts |
| 2,774,430 | Dec. 18, 1956 | W.J. Blazek | Latching means for die set retainers | dies for punch presses |
| 2,890,072 | Jun. 09, 1959 | P.E. Vega, F.A. Kaman | Retainer for rotary power tools | |
