| All Patents in class 82/11.3 |
Patents 1 -
15
of 19
      |
| Number | Date | Patentee | Title | Type |
| 431,578 | Jul. 08, 1890 | G.M. Guerrant | Means for Moving and Guiding Turning Engraving or Planing Tools | metal lathe accessories and attachments |
| 468,283 | Feb. 02, 1892 | G.M. Guerrant | Means for Moving and Guiding Turning Engraving or Plane Tools | metal lathe accessories and attachments |
| 647,975 | Apr. 24, 1900 | E. Liebert, H.A. Liebert | Automatic Feeding and Regulating Device for Machine Tools | metal lathe accessories and attachments |
| 1,937,400 | Nov. 28, 1933 | C.A. Bickel | Machine Tool | engine lathes |
| 2,039,876 | May 05, 1936 | C.A. Bickel | Automatic Lathe | engine lathes |
| 2,052,441 | Aug. 25, 1936 | C.A. Bickel | Apparatus for Controlling Operation of Tools | machine tool controls |
| 2,074,396 | Mar. 23, 1937 | W.H. Howe | Impedance Variation Amplifier | machine tool controls |
| 2,351,649 | Jun. 20, 1944 | D.E. Bench, G.J. Wintermute | Method and Apparatus for Controlling the Operation of Lathes | metal lathes |
| 2,420,547 | May 13, 1947 | J.E. Lovely | Profile Milling Machine | milling machines |
| 2,427,493 | Sep. 16, 1947 | E.P. Bullard | Control Mechanism | |
| 2,450,096 | Sep. 28, 1948 | W.A. Kimsey, H.J. Siekmann | Automatic Step Turning Lathe | metal lathes |
| 2,553,984 | May 22, 1951 | H.C. Kemper, H.J. Siekmann | Electric Duplicator Attachment for Lathes | metal lathe accessories and attachments |
| 2,556,318 | Jun. 12, 1951 | N.D. Cooper | Electrically Operated Sevopower Actuator | metalworking machine mechanisms |
| 2,557,860 | Jun. 19, 1951 | S.A. Bradenburg, C.A. Bickel, T. Foster | Machine Tool | form producing lathes |
| 2,608,896 | Sep. 02, 1952 | R.B. Lesher, C.E. Greene | Pattern Tracer Assembly | metal lathe accessories and attachments |
