| All Patents in class 403/334 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 306,192 | Oct. 07, 1884 | H.H. Trenor | Tool Head Eye | making axes |
| 692,120 | Jan. 28, 1902 | G.F. Conner | Reversible Variable Speed Gearing | industrial machine pulleys and belt drive mechanisms |
| 797,820 | Aug. 22, 1905 | E.C. Peck | Tool Holder | drilling and boring tool holders |
| 810,230 | Jan. 16, 1906 | W.B. Swan | Bit-Extender | drill bit extensions |
| 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 | combination cork extractors |
| 2,079,692 | May 11, 1937 | F.J. Lapointe | Broach shank connector | broaches |
| 2,449,284 | Sep. 14, 1948 | E.A. Dorman | Machine tool adapter | drill press accessories |
| 2,862,745 | Dec. 02, 1958 | J. Deliso | Socket and Rod Coupling | wrench components |
| 2,874,985 | Feb. 24, 1959 | C.J. March | Drill chuck and spindle connection | handheld power drills |
| 2,931,659 | Apr. 05, 1960 | R.E. Novkov | Quick Change Tool Holder | milling machine tools |
