| All Patents in class 74/527 |
Patents 16 -
25
of 25
      |
| Number | Date | Patentee | Title | Type |
| 2,487,011 | Nov. 01, 1949 | G.C. Wilhide | Switch assembly for portable electric tools | handheld power drills |
| 2,527,871 | Oct. 31, 1950 | H.F. Bakewell | Toolholder | lathe tool holders and tool posts |
| 2,565,522 | Aug. 28, 1951 | W.S. Renier | Molding Machine | plastic molding machines |
| 2,829,537 | Apr. 08, 1958 | P. Walzak, R.G. Sholeen, A.W. Mall | Throttle lock mechanism | handheld chainsaws |
| 2,884,818 | May 05, 1959 | J.R. Bashor, A.P. Speckin | Drill head | multiple spindle drilling heads |
| 3,021,723 | Feb. 20, 1962 | R. Happe | Spindle locking means for portable tools | handheld power drills |
| 3,162,059 | Dec. 22, 1964 | S.E. Farekas | Power Feed Clutch Mechanism | engine lathes |
| 3,846,912 | Nov. 12, 1974 | R.J. Newbould | Indexing mechanism | indexers and dividers |
| 4,208,930 | Jun. 24, 1980 | O. Hermann | Spindle Control Mechanism | machine tool controls |
| 5,496,139 | Mar. 05, 1996 | S.R. Wente, G.A. Putney, M.S. Scolaro, A.P. Ghode | Collet Lock Arrangement for Power Tool | |
