| All Patents in class 279/83 |
Patents 46 -
52
of 52
      |
| Number | Date | Patentee | Title | Type |
| 2,283,514 | May 19, 1942 | A. Stanworth | Tool and Holder Structure | metalworking machine tool holders |
| 2,338,626 | Jan. 04, 1944 | G.W. Emrick | Tool chuck | drill press chucks |
| 2,533,179 | Dec. 05, 1950 | J.M. Redinger | Tool and Holder Therefor | milling machine tools |
| 2,709,600 | May 31, 1955 | J.W. Lehde | Lock and Ejector Collets | tool holding collets |
| 2,800,824 | Jul. 30, 1957 | J.A. Dorman | Automatic Work Driver or Lathe Dog | metal lathe accessories and attachments |
| 2,857,166 | Oct. 21, 1958 | A.D. Tognetti, H. Conn | Quick Change Tool Holder | metalworking machine tool holders |
| 5,110,240 | May 05, 1992 | L.O. Kern, J.G. Zeilinger | Apparatus for Coupling Tool Holders | metalworking machine tool holders |
