| Patents for American Tool Works Co. |
Patents 61 -
75
of 124
      |
| Number | Date | Patentee | Title | Type |
| 1,878,603 | Sep. 20, 1932 | A.E. Robinson | Lapping Machine | gear lapping machines |
| 1,910,334 | May 23, 1933 | W.G. Hoelscher, A.E. Robinson | Lathe carriage apron mechanism | metal lathes |
| 1,916,117 | Jun. 27, 1933 | A.E. Robinson | Lapping Machine | gear lapping machines |
| 1,916,118 | Jun. 27, 1933 | W.G. Hoelscher, A.E. Robinson | Lapping Machine | gear lapping machines |
| 1,926,996 | Sep. 12, 1933 | W.G. Hoelscher, G. Hieber | Carriage feeding mechanism for lathes | metal lathes |
| 1,926,997 | Sep. 12, 1933 | A.E. Robinson, W.G. Hoelscher | Lathe Bed Construction | metal lathe mechanisms |
| 1,926,998 | Sep. 12, 1933 | W.G. Hoelscher | Lubrication apparatus for transmissions | metal lathes |
| 1,938,906 | Dec. 12, 1933 | W.G. Hoelscher | Lathe headstock | metal lathes |
| 1,944,828 | Jan. 23, 1934 | A.E. Robinson | Lubricating Means for Metal Shaping Machines | metalworking machine lubrication |
| 1,966,409 | Jul. 10, 1934 | W.G. Hoelscher | Tailstock for lathes | metal lathes |
| 1,971,955 | Aug. 28, 1934 | W.G. Hoelscher | Reversing Gear and Clutch Mechanism | metalworking power transmission |
| 1,971,956 | Aug. 28, 1934 | W.G. Hoelscher | Lathe | metal lathes |
| 1,982,612 | Nov. 27, 1934 | W.G. Hoelscher | Feed box transmission | metal lathes |
| 2,011,318 | Aug. 13, 1935 | W.G. Hoelscher | Relieving attachment | metal lathe accessories and attachments |
| 2,018,363 | Oct. 22, 1935 | W.G. Hoelscher, A.E. Robinson | Attachment for machine tools | metal lathe accessories and attachments |
