| All Patents in class 82/173 |
Patents 31 -
45
of 65
      |
| Number | Date | Patentee | Title | Type |
| 1,170,890 | Feb. 08, 1916 | G. Gorton | Facing Lathe | metal lathes |
| 1,191,813 | Jul. 18, 1916 | J.O. Dixon, E.S. Mummert | Facing-tool | |
| 1,227,514 | May 22, 1917 | T.B. Williams, F.L. Smith | Rotary cutter | automotive tools |
| 1,249,642 | Dec. 11, 1917 | P.B. Lindfors | Adjustable Tool Holder for Milling Machines | metalworking machine tool holders |
| 1,342,983 | Jun. 08, 1920 | M.J. Breen | Tool Holder | drilling and boring tool holders |
| 1,662,936 | Mar. 20, 1928 | R. Phillipp | Chamfering Device | pipe deburring tools |
| 1,698,862 | Jan. 15, 1929 | A.H. Wadell | Machine for Trimming Bearings | portable turning tools |
| 1,767,151 | Jun. 24, 1930 | C.M. McCord | Commutator lathe | commutator dressing machines |
| 1,815,012 | Jul. 14, 1931 | W.L. Schellenbach | Tool attachments for lathes | metal lathe accessories and attachments |
| 1,834,716 | Dec. 01, 1931 | J. Kis | Universal Machine Head | milling machine accessories |
| 1,917,748 | Jul. 11, 1933 | J.Y. Blazek | Brake-lathe attachment for truing differential housings | vehicle mechanic |
| 1,962,951 | Jun. 12, 1934 | M.C. Conwell | Tool Head | boring heads |
| 2,044,494 | Jun. 16, 1936 | E.C. Bullard | Metalworking | |
| 2,044,495 | Jun. 16, 1936 | E.C. Bullard | Metal Working Apparatus | |
| 2,044,829 | Jun. 23, 1936 | E.P. Bullard, H.C. Anderson | Apparatus for Stationary Work Turning | |
