| All Patents in class 82/147 |
Patents 31 -
45
of 55
      |
| Number | Date | Patentee | Title | Type |
| 1,203,751 | Nov. 07, 1916 | W.F. Groene, R.K. Le Blond | Gearing | industrial machine gearing |
| 1,250,556 | Dec. 18, 1917 | E.P. Bullard, Jr., W.N. Stevens | Work-Spindle Adjustment | |
| 1,250,660 | Dec. 18, 1917 | E. Rivett | Lathe | metal lathes |
| 1,252,346 | Jan. 01, 1918 | F. Hardinge | Lathe headstock | metal lathes |
| 1,717,047 | Jun. 11, 1929 | Z.L. Litvinas | Multiple spindle lathe | multiple spindle lathes |
| 1,819,837 | Aug. 18, 1931 | W.C. De Graff | Chuck | metal lathe chucks |
| 1,891,923 | Dec. 27, 1932 | H.L. Flather | Work Rotating Structure for Machine Tools | metalworking machine mechanisms |
| 1,897,666 | Feb. 14, 1933 | F.O. Hoagland | Machine Tool Spindle | metalworking power transmission |
| 1,908,592 | May 09, 1933 | H.L. Flather | Work Rotating Structure for Machine Tools | metalworking machine mechanisms |
| 1,933,524 | Oct. 31, 1933 | H.L. Flather, deceased (estate of), H.H. Flather, administrator, J.H. Flather, administrator | Work Rotating Structure for Machine Tools | metalworking machine mechanisms |
| 1,937,948 | Dec. 05, 1933 | H.H. Flather, administrator, J.H. Flather, administrator, H.L. Flather, deceased (estate of) | Work Rotating Structure for Machine Tools | metalworking machine mechanisms |
| 1,961,605 | Jun. 05, 1934 | J.E. Lovely, N.I. Lundberg, M.E. Lange, F.O. Hoagland, A.E. Drissner | Standard Spindle Nose | metal lathe chucks |
| 1,970,276 | Aug. 14, 1934 | E.P. Bullard | Unit Spindle Bearing Assembly | |
| 1,979,443 | Nov. 06, 1934 | C. Bouillon | Headstock for Lathes | engine lathes |
| 1,980,336 | Nov. 13, 1934 | F.O. Hoagland | Chuck Retaining Means | metal lathe chucks |
