| All Patents in class 408/40 | 
| Patents 1 - 
					8
					of 8 
       | 
| Number | Date | Patentee | Title | Type | 
| 75,462 | Mar. 10, 1868 | D.C. Robie | Improvement in lathe for turning buttons | wood lathes | 
| 222,161 | Dec. 02, 1879 | A.A. Smith | Button Lathe | button making machinery | 
| 222,693 | Dec. 16, 1879 | J. Gresty, J. Mills | Machine for Making Framed Wood Work | window making machines | 
| 376,447 | Jan. 17, 1888 | F.A. Merwin | Button Lathe | button making machinery | 
| 420,665 | Feb. 04, 1890 | F.H. Robinson | Boring and turning machine | drilling and boring | 
| 427,919 | May 13, 1890 | D.B. Shantz | Lathe for Turning Buttons | button making machinery | 
| 1,254,709 | Jan. 29, 1918 | O. Anderson, D. Levinger | Tapping Machine |  | 
| 1,762,872 | Jun. 10, 1930 | R.E. Manley | Brake band drilling and countersinking machine | brake maintenance |