| All Patents in class 451/242 |
Patents 91 -
105
of 109
      |
| Number | Date | Patentee | Title | Type |
| 2,851,828 | Sep. 16, 1958 | R.M. Anderson, R.L. Fleming, A.W. Todd | Centerless grinder | centerless grinders |
| 2,855,729 | Oct. 14, 1958 | E.F. Render | Grinding Machine | centerless grinders |
| 2,882,649 | Apr. 21, 1959 | G.L. Grove | Incremental Feed Mechanism | grinding machines |
| 2,949,708 | Aug. 23, 1960 | G.S. Butterworth, J.G. Wiatt | Gage Head for In-Process Gaging in Machine Tool | electronic gauges |
| 2,950,580 | Aug. 30, 1960 | E.F. Render | Centerless Grinding Machine for Tapered Work Pieces | centerless grinders |
| 2,950,581 | Aug. 30, 1960 | G.S. Butterworth | Gaging Device | electronic gauges |
| 2,990,656 | Jul. 04, 1961 | A.H. Tompkins | Automatically operable centerless grinder | centerless grinders |
| 3,009,295 | Nov. 21, 1961 | F.W. Egbert, W.B. Seidel | Machine Tool Loading Mechanism | workpiece changers and storage mechanisms |
| 3,046,703 | Jul. 31, 1962 | G.L. Grove | Regulating Wheel Spindle Mounting and Drive for a Centerless Grinding Machine | metalworking machine mechanisms |
| 3,046,704 | Jul. 31, 1962 | G.L. Grove, A.H. Dall | Machine Tool Slide and Mounting Thereof | centerless grinders |
| 3,060,647 | Oct. 30, 1962 | G.L. Grove, A.H. Dall | Phase-Out Device for Grinding Machine | centerless grinders |
| 3,091,985 | Jun. 04, 1963 | W.D. Whalen | Fluid Operated Rest and Vibration Damper for Turning Machine | metal lathe accessories and attachments |
| 3,094,817 | Jun. 25, 1963 | J.S. Bartholomew | Centerless Grinding Machine | centerless grinders |
| 3,108,407 | Oct. 29, 1963 | D.C. Hughes | Centerless Grinder | centerless grinders |
| 3,127,716 | Apr. 07, 1964 | J.F. Uckotter, R.D. Peters | Machine Tool Loader | workpiece changers and storage mechanisms |
