| All Patents in class 29/27R |
Patents 46 -
60
of 82
      |
| Number | Date | Patentee | Title | Type |
| 1,279,041 | Sep. 17, 1918 | A.M. Thomson | Turning and Thread-Milling Machine | metal thread milling machines |
| 1,446,557 | Feb. 27, 1923 | L.E. Godfriaux | Lathe | metal lathes |
| 1,501,218 | Jul. 15, 1924 | J.S. Imlach | Pipe-threading machines | pipe threading machines |
| 1,510,167 | Sep. 30, 1924 | J.H. Wilhelm | Universal machine | milling machines |
| 1,537,801 | May 12, 1925 | F.B. Cockburn | Combined Turning and Milling Machine | metal lathes |
| 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 |
| 1,642,909 | Sep. 20, 1927 | H.W. Thompson | Metal Lathe | metal lathes |
| 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 |
| 1,865,528 | Jul. 05, 1932 | J.E. Lovely | Machine Tool | automatic lathes |
| 1,978,060 | Oct. 23, 1934 | A.A. Rickert | Work Feeding Device | workpiece changers and storage mechanisms |
