| All Patents in class 279/2.19 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
| | 364,980 | Jun. 14, 1887 | E.P. Walter | Metal Planing Machine |
 | 531,283 | Dec. 18, 1894 | W.T. Vale, G.A. Ohl | Barrel machine |
| | 761,348 | May 31, 1904 | J.E. Bates | Chuck for Holding Sockets |
| | 1,772,082 | Aug. 05, 1930 | J.H. Hoern | Device for Assembling and Holding Piston Rings for Machining Operations |
 | 1,954,034 | Apr. 10, 1934 | E.A. Arp | Equalizing boring guide |
| | 2,250,631 | Jul. 29, 1941 | W.R. Meyer, W.F. Groene | Crankshaft Chuck |
| | 3,038,280 | Jun. 12, 1962 | W. Dralle | Internal Stock Divider |
