| All Patents in class 451/435 |
Patents 31 -
37
of 37
      |
| Number | Date | Patentee | Title | Type |
| 1,953,133 | Apr. 03, 1934 | E. Ritz, Jr. | Construction of grinders for use in lathes or the like | wood lathe accessories |
| 2,055,302 | Sep. 22, 1936 | E.S. McGonegal | Portable grinding tool | metal lathe accessories and attachments |
| 2,074,844 | Mar. 23, 1937 | C.H. Hill | Metalworking Machine | metal lathe accessories and attachments |
| 2,453,020 | Nov. 02, 1948 | J.B. Koett | Lathe grinding device | metal lathe accessories and attachments |
| 2,776,604 | Jan. 08, 1957 | A. Simsack | Milling Attachments for Lathes | metal lathe accessories and attachments |
| 3,104,505 | Sep. 24, 1963 | J.L. Schohl | Thread Grinding Machine | metal lathe accessories and attachments |
| 3,307,298 | Mar. 07, 1967 | R.G. Norris | Honing Attachment for Lathes | metal lathe accessories and attachments |
