| All Patents in class 470/80 |
Patents 16 -
30
of 42
      |
| Number | Date | Patentee | Title | Type |
| 602,689 | Apr. 19, 1898 | A. Poincenot, J. Reymond | Screw Cutting Machine | |
| 624,490 | May 09, 1899 | E.G. Hoffmann | Device for Holding Circular Cutters | lathe tool holders and tool posts |
| 631,576 | Aug. 22, 1899 | A. Latham | Screw Cutting Machine | |
| 735,138 | Aug. 04, 1903 | J.M. Normand | Tool Holder | lathe tool holders and tool posts |
| 782,220 | Feb. 14, 1905 | J. Coulter, S.E. Laws, Administratrix, A.D. Laws, deceased (Estate of) | Automatic Screw Cutting and Turning Lathe | screwcutting lathes |
| 807,166 | Dec. 12, 1905 | C.W. Grant | Tool-holder and tool | lathe tool holders and tool posts |
| 908,804 | Jan. 05, 1909 | W.M. Rhoades | Tool Holder | lathe tool holders and tool posts |
| 1,076,188 | Oct. 21, 1913 | B. Borden | Thread-cutting tool | taps and dies |
| 1,428,075 | Sep. 05, 1922 | D. Breckenridge | Thread Cutting Tool and Holder Therefor | lathe tools |
| 1,582,669 | Apr. 27, 1926 | H.E. Durkee | Screw Thread Cutting Means for Bench Lathes | screwcutting lathes |
| 1,618,993 | Mar. 01, 1927 | J.E. Perrault | Auxiliary Tool Holder for Lathes and the Like | lathe tool holders and tool posts |
| 1,749,598 | Mar. 04, 1930 | E.F. McNutt | Lead Screw Controlling Device for Lathes | metal lathes |
| 1,814,211 | Jul. 14, 1931 | J. Garbarek | Tool Holder | lathe tool holders and tool posts |
| 1,902,117 | Mar. 21, 1933 | R.S. Crosby, C.W. Sponsel | Screw making machine | screw machines |
| 1,923,423 | Aug. 22, 1933 | R.S. Crosby, F.E. Newton | Machine for cutting screw threads | screw machines |
