| All Patents in class 408/38 |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 91,649 | Jun. 22, 1869 | T.C. Marshall, H.W. Hawkins | Improvement in wheel-making machine | wheelwright |
| 174,994 | Mar. 21, 1876 | L. Williams | Improvement in machines for boring hubs and fellies | drilling and boring |
| 218,028 | Jul. 29, 1879 | H.A. Holt | Improvement in machines for mortising doors for locks | mortising machines |
| 317,209 | May 05, 1885 | L.C. Rodier | Lathe | pipe making machines |
| 321,023 | Jun. 30, 1885 | T.F. Hammer | Screw Tapping Machine | metal threading machines |
| 489,224 | Jan. 03, 1893 | W.W. Doolittle | Tapping-machine | tapping machines |
| 520,605 | May 29, 1894 | A.L. Mitchell | Cork Shell Cutting Machine | cork making machines |
| 574,163 | Dec. 29, 1896 | G.G. Prentice | Multiple Screw Machine | screw machines |
| 575,745 | Jan. 26, 1897 | D.B. Welivar | Machine for boring wheel-rims | horizontal drilling machines |
| 1,975,006 | Sep. 25, 1934 | E.J. Kingsbury, J.E. Anderson | Indexing and control mechanism for independent metal working units | metalworking machine mechanisms |
| 2,607,054 | Aug. 19, 1952 | J.H. Williams | Chucking Mechanism for Tapping Machine | tapping machines |
