| All Patents in class 279/8 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 528,557 | Nov. 06, 1894 | R.S. Peabody | Clamping Device for Machine Tools | metalworking machine vises |
| 599,961 | Mar. 01, 1898 | J.A. Graham | Lathe Chuck | metal lathe chucks |
| 612,378 | Oct. 11, 1898 | E. Childs | Chuck | metal lathe chucks |
| 634,787 | Oct. 10, 1899 | C.M. Willis | Attachment for Watch Lathes | metal lathe accessories and attachments |
| 879,220 | Feb. 18, 1908 | W.F. Tracy | Tool Holder | lathe tool holders and tool posts |
| 1,186,075 | Jun. 06, 1916 | E.J. Bryant | Plug Gage | plug gauges |
| 1,260,130 | Mar. 19, 1918 | E.W. Bemis | Work Holding Device | metalworking machine vises |
| 1,387,339 | Aug. 09, 1921 | R.H. Banister | Tool Holder | lathe tool holders and tool posts |
| 1,947,957 | Feb. 20, 1934 | J.R. Tillman | Workholder | |
| 2,012,078 | Aug. 20, 1935 | G.W. Binns | Art of Grinding | grinding machines |
| 2,050,828 | Aug. 11, 1936 | T.B. Buell | Chuck | |
| 2,208,879 | Jul. 23, 1940 | J.Y. Blazek, V.R. Roy | Grinder for clutch pressure-plates | clutch maintenance |
| 2,715,846 | Aug. 23, 1955 | E. Grob, B. Grob | Method of groove forming | gear making machines |
| 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 |
