| All Patents in class 29/DIG.77 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 220,384 | Oct. 07, 1879 | G.H. Jones | Lathes for Dental Surgery | dental apparatus |
| 311,099 | Jan. 20, 1885 | E.P. Baville | Machine for Threading Screws Bolts and Nuts | metal threading machines |
| 329,105 | Oct. 27, 1885 | H. Voigt | Automatic Lathe | automatic lathes |
| 405,706 | Jun. 25, 1889 | E.R. Hyde | Surface Grinding or Planing Machine | surface grinders |
| 1,076,947 | Oct. 28, 1913 | E.P. Bullard, Jr. | Cutting Lubricant Attachment for Machine Tools | metalworking machine mechanisms |
| 1,337,140 | Apr. 13, 1920 | G.C. Kimmel | Grinding Machine | internal grinders |
| 1,848,044 | Mar. 01, 1932 | L.H. Blood | Broaching Machine | broaching machines |
| 1,903,114 | Mar. 28, 1933 | J.B. Armitage, E.J. Kearney | Machine Tool | milling machines |
| 1,938,777 | Dec. 12, 1933 | L.F. Nenninger | Milling Machine | milling machines |
| 1,943,643 | Jan. 16, 1934 | W.W. Vosper | Power Tool | pipe threading machines |
| 2,156,153 | Apr. 25, 1939 | W.R. Meyer, H.J. Siekmann, W.F. Groene | Multiple Spindle Vertical Crankshaft Lathe | crankshaft lathes |
| 2,254,240 | Sep. 02, 1941 | E.A. Overstedt | Machine for Finishing Gears | gear making machines |
| 2,452,674 | Nov. 02, 1948 | F.A. Hassman, L.F. Nenninger | Knee Actuating Mechanism for Milling Machines | milling machines |
