| All Patents in class 279/43 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 51,660 | Dec. 19, 1865 | M.V. Nobles | Bit holders for braces | brace chucks |
| 66,434 | Jul. 02, 1867 | L.P. Wilcox | Improvement in Mode of Attaching Tools to their Handles | tool handles |
| 83,897 | Nov. 10, 1868 | W. Zimmerman | Improvement in Hammers | nail holding |
| 144,468 | Nov. 11, 1873 | G.C. Miller | Extension Dividers | dividers |
| 304,501 | Sep. 02, 1884 | F. Cavagnaro, J. Cavagnaro | Metal Turning Lathe | metal lathes |
| 491,452 | Feb. 07, 1893 | G. Taylor | Apparatus for Manufacturing Metal Balls | metal ball making machines |
| 492,733 | Feb. 28, 1893 | H. Meister | Chuck and Drill | drill press chucks |
| 506,178 | Oct. 03, 1893 | E. Koenig | Machine for Shaping Buttons of Mother of Pearl | button making machinery |
| 659,523 | Oct. 09, 1900 | Z.T. Furbish | Screwdriver, &c., Handle | screwdriver handles |
| 733,126 | Jul. 07, 1903 | C.F. Bellows | Tool Holder | tool holders |
| 1,529,006 | Mar. 10, 1925 | C. Bodmer | Bit-Brace Extension | drill bit extensions |
| 2,400,354 | May 14, 1946 | J. Jensen | Rivet setting tool | riveting tools |
| 4,690,415 | Sep. 01, 1987 | W.B. Holdridge | Hydraulic Nosepiece Assembly for a Collet Closer, and Method | collet closers |
| 5,337,521 | Aug. 16, 1994 | D. Heyl, D.M. Terpstra | Valve grinder | valve and seat maintenance |
