| All Patents in class 409/76 |
Patents 1 -
15
of 24
      |
| Number | Date | Patentee | Title | Type |
| 141,760 | Aug. 12, 1873 | S.W. Card | Machines for milling twist-drills | metal threading machines |
| 144,100 | Oct. 28, 1873 | E. Horton | Screw Threading Machines | metal threading machines |
| 164,115 | Jun. 08, 1875 | T. Decker, L. Weaver | Machine for Making Twist Drills | making drills and augers |
| 195,963 | Oct. 09, 1877 | G.R. Stetson | Improvement in machines for clearing twist-drills | making drills and augers |
| 209,782 | Nov. 12, 1878 | J. Swan | Improvement in the Manufacture of Auger-Bits | making drills and augers |
| 303,239 | Aug. 05, 1884 | J. Swan | Mechanism for Manufacturing Augers | making drills and augers |
| 882,290 | Mar. 17, 1908 | J. Bowen | Machine for Cutting Screws, &c. | screwcutting lathes |
| 893,431 | Jul. 14, 1908 | J. Bowen | Machine for Cuting Screw, & c. | screwcutting lathes |
| 1,058,711 | Apr. 15, 1913 | E.E. Beck | Cut-back-die-thread machine | |
| 1,177,376 | Mar. 28, 1916 | J. Bowen | Milling Machine | milling machines |
| 1,200,046 | Oct. 03, 1916 | A.M. Thompson | Screw-Thread-Milling Machine | metal thread milling machines |
| 1,200,047 | Oct. 03, 1916 | A.M. Thompson | Work-Holder for Screw-Threading Machines | metalworking machine work holding |
| 1,278,867 | Sep. 17, 1918 | J.F. Daneke | Milling Machine Fixture | milling machine accessories |
| 1,287,732 | Dec. 17, 1918 | F. Müller | Machine for Milling Knurls | embossing and knurling machines |
| RE15,953 | Nov. 25, 1924 | E.E. Beck | Cut-back-die-thread machine | metal threading machines |
