| Patents for R. K. LeBlond Machine Tool Co. |
Patents 31 -
45
of 107
      |
| Number | Date | Patentee | Title | Type |
| 1,617,902 | Feb. 15, 1927 | W.F. Groene | Lathe | metal lathes |
| 1,705,218 | Mar. 12, 1929 | W.F. Groene | Milling Machine | milling machines |
| 1,744,886 | Jan. 28, 1930 | W.F. Groene | Lapping machine | lapping machines |
| 1,748,672 | Feb. 25, 1930 | W.F. Groene | Chuck in machine tools | metal lathe chucks |
| 1,818,128 | Aug. 11, 1931 | W.F. Groene | Automatic lathe | automatic lathes |
| 1,878,495 | Sep. 20, 1932 | W.F. Groene | Automatic lathe | automatic lathes |
| 1,918,332 | Jul. 18, 1933 | W.F. Groene | Feed-change mechanism for lathes | metal lathes |
| 2,100,955 | Nov. 30, 1937 | W.F. Groene | Chuck for camshafts and the like | cam shaft lathes |
| 2,103,298 | Dec. 28, 1937 | H.C. Pierle | Multiple spindle center drive crankshaft lathe | crankshaft lathes |
| 2,109,371 | Feb. 22, 1938 | W.F. Groene | Resilient work driving means | metal lathe mechanisms |
| 2,131,698 | Sep. 27, 1938 | W.F. Groene, W.R. Meyer | Crankshaft chuck | crankshaft lathes |
| 2,138,522 | Nov. 29, 1938 | W.F. Groene, W.R. Meyer | Four-spindle drum type crankshaft lathe | crankshaft lathes |
| 2,138,964 | Dec. 06, 1938 | W.F. Groene | Orbital lathe | crank pin lathes |
| 2,148,348 | Feb. 21, 1939 | W.F. Groene, H.J. Siekmann | Turret lathe | turret lathes |
| 2,148,350 | Feb. 21, 1939 | W.F. Groene, W.R. Meyer | Crankshaft chuck | crankshaft lathes |
