| All Patents in class 403/334 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 306,192 | Oct. 07, 1884 | H.H. Trenor | Tool Head Eye |
| | 692,120 | Jan. 28, 1902 | G.F. Conner | Reversible Variable Speed Gearing |
| | 797,820 | Aug. 22, 1905 | E.C. Peck | Tool Holder |
 | 810,230 | Jan. 16, 1906 | W.B. Swan | Bit-Extender |
| | 1,253,149 | Jan. 08, 1918 | W. Childers | Drilling Tool Joint |
| | 1,501,465 | Jul. 15, 1924 | W.A. Peck | Tool holder |
 | 1,956,875 | May 01, 1934 | W.F. Paradise | Mumble Peg Toy |
 | 2,079,692 | May 11, 1937 | F.J. Lapointe | Broach shank connector |
 | 2,449,284 | Sep. 14, 1948 | E.A. Dorman | Machine tool adapter |
| | 2,862,745 | Dec. 02, 1958 | J. Deliso | Socket and Rod Coupling |
