| Patents for Austin F. Cushman |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 106,919 | Aug. 30, 1870 | A.F. Cushman | Improvement in Hollow Augers | hollow bits |
| 120,863 | Nov. 14, 1871 | A.F. Cushman | Improvment in Machinists Lathe Chucks | metal lathe chucks |
| 121,494 | Dec. 05, 1871 | A.F. Cushman | Improvements in Chucks for Metal-Turning Lathes | metal lathe chucks |
| 134,259 | Dec. 24, 1872 | A.F. Cushman | Improvement in chucks for holding drills | drill press chucks |
| 147,106 | Feb. 03, 1874 | A.F. Cushman | Lathe Centers | metal lathe accessories and attachments |
| 309,206 | Dec. 16, 1884 | A.F. Cushman | Lathe-chuck | metal lathe chucks |
| 371,926 | Oct. 25, 1887 | A.F. Cushman | Lathe Chuck | metal lathe chucks |
| 435,405 | Sep. 02, 1890 | A.F. Cushman | Face Plate Jaw | metal lathe accessories and attachments |
