| All Patents in class 451/124 |
Patents 16 -
28
of 28
      |
| Number | Date | Patentee | Title | Type |
| 2,823,590 | Feb. 18, 1958 | C.F. Erikson, F.R. Swanson | Machine tool | |
| 2,829,470 | Apr. 08, 1958 | A.M. Johnson | Machine for finishing holes in irregular workpieces | |
| 2,925,018 | Feb. 16, 1960 | F. Zankl, J.G. Osburn, J.B. Lukey | Quill Retracting and Positioning Mechanism | milling machines |
| 2,925,747 | Feb. 16, 1960 | J.B. Lukey, J.B. Armitage | Machine Tools | milling machines |
| 3,232,008 | Feb. 01, 1966 | M.R. Estabrook | Automatic honing machine | honing machines |
| 3,237,350 | Mar. 01, 1966 | M.R. Estabrook | Automatic honing method | honing machines |
| 3,286,409 | Nov. 22, 1966 | D.K. Greenberg | Honing machine | honing machines |
| 3,403,478 | Oct. 01, 1968 | M.R. Estabrook | Automatic feed control for abrading machine | |
| 3,410,028 | Nov. 12, 1968 | M.R. Estabrook | Control of automatic abrading machines | |
| 3,418,757 | Dec. 31, 1968 | J. McEwan | Lawn mower sharpener | |
| 3,466,809 | Sep. 16, 1969 | M.R. Estabrook | Machine tool traverse control | |
| 4,547,996 | Oct. 22, 1985 | D.A. Winski | Jig Grinder With Automatic C-Axis Feedrate Control | jig grinders |
| 4,833,831 | May 30, 1989 | W.T. Armstrong, Jr. | Apparatus and Method for Sizing and Finishing Fixed Jaw Openings of Open-Ended Wrenches | wrench components |
