| All Patents in class 82/17 |
Patents 61 -
75
of 91
      |
| Number | Date | Patentee | Title | Type |
| 1,233,711 | Jul. 17, 1917 | E.R. Seward | Taper Attachment for Lathes | metal lathe accessories and attachments |
| 1,248,317 | Nov. 27, 1917 | W.F. Groene, H.C. Pierle | Machine-tool | metalworking machines |
| 1,393,115 | Oct. 11, 1921 | W.F. Groene | Turning and Facing Lathe | metal lathes |
| 1,401,534 | Dec. 27, 1921 | W.F. Groene | Taper Attachment for Lathes | metal lathe accessories and attachments |
| 1,442,660 | Jan. 16, 1923 | W.F. Groene | Taper attachment for lathes | metal lathe accessories and attachments |
| 1,442,661 | Jan. 16, 1923 | W.F. Groene | Taper Attachment for Lathes | metal lathe accessories and attachments |
| 1,507,265 | Sep. 02, 1924 | J.J. Thacher | Automatic lathe | automatic lathes |
| 1,635,285 | Jul. 12, 1927 | J.E. Lovely | Taper-turning Attachment | metal lathe accessories and attachments |
| 1,680,074 | Aug. 07, 1928 | J.J. Van Hamersveld | Taper Turning Attachment for Machine Tools | metal lathe accessories and attachments |
| 1,698,319 | Jan. 08, 1929 | P.G. Quedens | Taper attachments | metal lathe accessories and attachments |
| 1,812,366 | Jun. 30, 1931 | G.A. Perry | Taper Turner | metal lathe accessories and attachments |
| 1,918,331 | Jul. 18, 1933 | A.W. Aufderhar, W.F. Groene | Combined Eccentric and Concentric Turning Apparatus | metal lathes |
| 1,975,947 | Oct. 09, 1934 | S. Einstein, H.R. Isler | Machine Tool | tool grinders |
| 2,173,557 | Sep. 19, 1939 | W.G. Hoelscher | Tapering attachment for lathes | metal lathe accessories and attachments |
| 2,176,700 | Oct. 17, 1939 | K.H. Wills, C.A. Bickel | Telescopic Taper Attachment | metal lathe accessories and attachments |
