| All Patents in class 82/900 |
Patents 1 -
15
of 40
      |
| Number | Date | Patentee | Title | Type |
| 233,488 | Oct. 19, 1880 | S. Darling | Art of Manufacturing Mathematical Instruments | |
| 354,498 | Dec. 14, 1886 | P. Van Den Kerchove | Device for Cooling Machine Tools | metal lathe accessories and attachments |
| 422,663 | Mar. 04, 1890 | C.H. Trask | Milling-machine | milling machines |
| 1,324,567 | Dec. 09, 1919 | D.B. Salstrom | Wood-carving machine | carving machines |
| 1,710,913 | Apr. 30, 1929 | J.B. Armitage | Machine Tool Organization | milling machines |
| 1,718,562 | Jun. 25, 1929 | J.B. Armitage, E.J. Kearney | Machine Tool Organization | milling machines |
| 1,782,235 | Nov. 18, 1930 | J.B. Armitage, E.J. Kearney | Machine Tool Organization | milling machines |
| 1,909,564 | May 16, 1933 | J.B. Armitage | Machine Tool Organization | milling machines |
| 1,978,060 | Oct. 23, 1934 | A.A. Rickert | Work Feeding Device | workpiece changers and storage mechanisms |
| 2,026,247 | Dec. 31, 1935 | F.A. Parsons | Machine Tool Transmission and Control | milling machines |
| 2,070,811 | Feb. 16, 1937 | B. Sassen | Thermally Conditioned Machine Tool | milling machines |
| 2,129,815 | Sep. 13, 1938 | E.P. Bullard | Machine Tool Coolant Distribution | |
| 2,166,940 | Jul. 25, 1939 | C.M. Conradson | Hydraulic Power System | machine tool controls |
| 2,251,442 | Aug. 05, 1941 | A.N. Emmons | Portable disk abrading machine | sanding machines |
| 2,257,849 | Oct. 07, 1941 | M.E. Martellotti | Machine Tool Temperature Contol | coolant apparatus |
