| All Patents in class 279 |
Patents 1216 -
1230
of 2174
      |
| Number | Date | Patentee | Title | Type |
| 1,021,848 | Apr. 02, 1912 | B. Rindfleisch | Floating tool-holder | milling machine tools |
| 1,022,166 | Apr. 02, 1912 | D. Weir | Chuck | drill press chucks |
| 1,022,450 | Apr. 09, 1912 | C.H. Waymoth | Spindle-turning lathe | wood lathes |
| 1,024,126 | Apr. 23, 1912 | M.D. Fletcher | Wheel Dresser and Tool Holder | grinder dressers |
| 1,025,162 | May 07, 1912 | E.C. Schmelzkopf | Chuck | metal lathe chucks |
| 1,026,187 | May 14, 1912 | V.J. Wahlstrom | Chuck | |
| 1,028,805 | Jun. 04, 1912 | J.M. Wood | Tool Holder | lathe tool holders and tool posts |
| 1,030,592 | Jun. 25, 1912 | J.A. Leland | Telescopic Extension-Rod | drill bit extensions |
| 1,030,988 | Jul. 02, 1912 | G.W. Emrick | Drill-chuck | drill press chucks |
| 1,032,705 | Jul. 16, 1912 | M. Ross | Lathe Dog | lathe dogs |
| 1,033,661 | Jul. 23, 1912 | C. Berry | Tool Handle Holder | tool handles |
| 1,034,419 | Aug. 06, 1912 | P. Catucci | Automatic chuck | drill press chucks |
| 1,034,723 | Aug. 06, 1912 | A.C. Schuerrmann, H. Mueller | Tool-retaining device for boring-bars | boring bars |
| 1,036,994 | Aug. 27, 1912 | G.K. Garvin, E.J. McClellan | Chuck for Holding Gears | metal lathe chucks |
| 1,037,385 | Sep. 03, 1912 | L.E. Whiton | Chuck | metal lathe chucks |
