| All Patents in class 29/27B |
Patents 46 -
60
of 77
      |
| Number | Date | Patentee | Title | Type |
| 1,198,632 | Sep. 19, 1916 | J. Hartness | Metal Working Machine | automatic lathes |
| 1,242,583 | Oct. 09, 1917 | F.K. Hendrickson, A.E. Newton | Lathe | metal lathes |
| 1,248,317 | Nov. 27, 1917 | W.F. Groene, H.C. Pierle | Machine-tool | metalworking machines |
| 1,279,041 | Sep. 17, 1918 | A.M. Thomson | Turning and Thread-Milling Machine | metal thread milling machines |
| RE15,625 | Jun. 12, 1923 | C.H. Taylor | Thread-cutter | lathe tools |
| 1,501,218 | Jul. 15, 1924 | J.S. Imlach | Pipe-threading machines | pipe threading machines |
| 1,575,522 | Mar. 02, 1926 | J.O. Barrett | Feed mechanism for facing machines | milling machines |
| 1,617,606 | Feb. 15, 1927 | H.C. Pierle | Machine Tool | metalworking machines |
| 1,647,368 | Nov. 01, 1927 | J.E. Lovely | Overhead Tool Attachment for Lathes | metal lathe accessories and attachments |
| 1,679,043 | Jul. 31, 1928 | J.E. Lovely | Auxiliary Grooving or Facing Attachment for Fay Lathes | metal lathe accessories and attachments |
| 1,698,862 | Jan. 15, 1929 | A.H. Wadell | Machine for Trimming Bearings | portable turning tools |
| 1,712,766 | May 14, 1929 | W. Jardh | Geared Headstock for Lathes | metal lathe accessories and attachments |
| 1,726,702 | Sep. 03, 1929 | L.R. Heston | Home craftshop outfit | wood lathes |
| 1,767,151 | Jun. 24, 1930 | C.M. McCord | Commutator lathe | commutator dressing machines |
| 1,865,528 | Jul. 05, 1932 | J.E. Lovely | Machine Tool | automatic lathes |
