| All Patents in class 82/12 |
Patents 31 -
45
of 49
      |
| Number | Date | Patentee | Title | Type |
| 759,083 | May 03, 1904 | C.A. Edlund | Tool Holder | lathe tool holders and tool posts |
| 1,342,983 | Jun. 08, 1920 | M.J. Breen | Tool Holder | drilling and boring tool holders |
| 1,715,844 | Jun. 04, 1929 | R. Kienzl | Tool Operating Appliance | metal shaper tool holders |
| 1,834,716 | Dec. 01, 1931 | J. Kis | Universal Machine Head | milling machine accessories |
| 1,979,252 | Nov. 06, 1934 | H.J. Chedester | Radius Turning Tool | lathe tool holders and tool posts |
| 2,294,492 | Sep. 01, 1942 | J.C. Wilson | Dresser Attachment for Grinding Machines | grinder dressers |
| 2,348,845 | May 16, 1944 | H. Pelphrey | Machine for Forming Gears | gear making machines |
| 2,372,732 | Apr. 03, 1945 | D.R. Norris | Dressing Tool Holder | grinder dressers |
| 2,452,757 | Nov. 02, 1948 | W.B. Holdridge | Lathe radii attachment | metal lathe accessories and attachments |
| 2,696,135 | Dec. 07, 1954 | E.P. Bullard, III, J.E. Ettorre | Contour Attachment | metal lathe accessories and attachments |
| 2,715,848 | Aug. 23, 1955 | W.V. Schmidt | Lathe Tool Holder | lathe tool holders and tool posts |
| 2,716,913 | Sep. 06, 1955 | H.H. Leerkamp | Universally Adjustable Tool Holder | lathe tool holders and tool posts |
| 2,770,992 | Nov. 20, 1956 | F. Retornaz | Copying Device for Executing Arcuate Cuts in a Plane Passing Through the Axis of Revolution of a Slide Lathe | metal lathe mechanisms |
| 2,791,946 | May 14, 1957 | P.C. Hewett | Variable Conical Cutter | milling machines |
| 2,817,902 | Dec. 31, 1957 | E.L. Allman, Sr. | Adjustable Tool Holder | metalworking machine tool holders |
