| All Patents in class 279/75 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 692,988 | Feb. 11, 1902 | A.S. Davis | Drill-chuck | drill chucks |
| 836,487 | Nov. 20, 1906 | F.G. Crone | Valve Dresser | valve grinding tools |
| 1,124,981 | Jan. 12, 1915 | W.A. Weaver | Tool Holder | drilling and boring tool holders |
| 1,425,270 | Aug. 08, 1922 | S.J. Morgan | Magazine brace | |
| 1,457,511 | Jun. 05, 1923 | E.R. Evans | Tool Holder | metalworking machine tool holders |
| 1,706,460 | Mar. 26, 1929 | R.A. Norling | Chisel retainer for chipping hammers | |
| 1,787,932 | Jan. 06, 1931 | A.F. Breitenstein | Floating Tool Holder | tap and die holders |
| 1,864,466 | Jun. 21, 1932 | J.M. Peterson | Tool Holder | tool holders |
| 1,917,531 | Jul. 11, 1933 | J.F. Lincoln | Electric Arc Welding Apparatus | welding machines |
| 2,280,620 | Apr. 21, 1942 | F.J. Theler, G.W. Binns | Apparatus for Finishing Tubular Articles | grinding machines |
| 2,290,215 | Jul. 21, 1942 | S.L. Stenberg | Tool Holder for Machine Tools | metalworking machine tool holders |
| 2,726,091 | Dec. 06, 1955 | L.P. Topar | Tool Holder | tool holders |
| 2,937,030 | May 17, 1960 | C.E. Miller | Pick-Off Spindle Chucking Mechanism | metalworking machine mechanisms |
| 2,970,844 | Feb. 07, 1961 | B.R. Better | Tool Holder-Axial Locking Type | drilling and boring tool holders |
| 2,990,188 | Jun. 27, 1961 | J.W. Kosinski, B.R. Better | Tool Holder-Rotary Locking Type | drilling and boring tool holders |
