| All Patents in class 451/415 |
Patents 16 -
22
of 22
      |
| Number | Date | Patentee | Title | Type |
| 2,431,230 | Nov. 18, 1947 | W.S. Cooper | Portable Planer | metal planers |
| 2,538,044 | Jan. 16, 1951 | E.C. Ruehle | Belt sander attachment for power tools | belt sanders |
| 2,674,070 | Apr. 06, 1954 | V.L. Brown, T.B. Thomas | Belt sander | belt sanders |
| 2,703,505 | Mar. 08, 1955 | J.A. Senn | Apparatus for Aligning Machine Elements | milling machine accessories |
| 2,888,965 | Jun. 02, 1959 | C.A. Phillips | Mountings for a portable electric motor | handheld power drill guides |
| 3,191,349 | Jun. 29, 1965 | R.A. Huhn | Attachment mounting means for a boring mill ram | horizontal boring mill attachments |
| 5,525,099 | Jun. 11, 1996 | R.L. Wilson, L.C. Brickner, C.J. Baird | Apparatus for linearly displacing a rotatable spindle | |
