| Patents for William F. Groene |
Patents 46 -
60
of 212
      |
| Number | Date | Patentee | Title | Type |
| 1,416,017 | May 16, 1922 | W.F. Groene | Countershaft brake | metalworking machine mechanisms |
| 1,442,659 | Jan. 16, 1923 | W.F. Groene | Milling Machine Spindle | milling machines |
| 1,442,660 | Jan. 16, 1923 | W.F. Groene | Taper attachment for lathes | metal lathe accessories and attachments |
| 1,442,661 | Jan. 16, 1923 | W.F. Groene | Taper Attachment for Lathes | metal lathe accessories and attachments |
| 1,474,112 | Nov. 13, 1923 | W.F. Groene | Combined Clutch and Brake Device | metalworking machine mechanisms |
| 1,477,480 | Dec. 11, 1923 | W.F. Groene | Combined power and hand operated feed mechanism | metal lathes |
| 1,498,511 | Jun. 17, 1924 | W.F. Groene | Facing Attachment for Lathes | metal lathe accessories and attachments |
| 1,498,512 | Jun. 17, 1924 | W.F. Groene | Facing Attachment for Lathes | metal lathe accessories and attachments |
| 1,498,513 | Jun. 17, 1924 | W.F. Groene | Facing attachment for lathes | metal lathe accessories and attachments |
| 1,528,971 | Mar. 10, 1925 | W.F. Groene | Engine Lathe | engine lathes |
| 1,528,972 | Mar. 10, 1925 | W.F. Groene | Lathe of the Type Generally Referred to as Crank Shaft Lathe | crankshaft lathes |
| 1,528,973 | Mar. 10, 1925 | W.F. Groene | Combined brake and clutch device | metalworking machine clutches |
| RE16,038 | Apr. 07, 1925 | W.F. Groene | Turning and Facing Lathe | metal lathes |
| 1,596,827 | Aug. 17, 1926 | W.F. Groene | Relieving attachment for machine tools and the like | metal lathe accessories and attachments |
| 1,609,021 | Nov. 30, 1926 | W.F. Groene | Lathe | metal lathes |
