| Patents for Charles Tree |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,233,858 | Mar. 04, 1941 | C. Tree | Collet Index Fixture | milling machine accessories |
| 2,491,940 | Dec. 20, 1949 | C. Tree | Universal Milling Head | milling machine accessories |
| 2,517,738 | Aug. 08, 1950 | C. Tree | Taper Boring Head | boring heads |
| D170,560 | Oct. 06, 1953 | C. Tree | Milling Machine | milling machines |
| 2,664,789 | Jan. 05, 1954 | C. Tree | Mailling Machine Ram Saddle Wedge Lock | milling machines |
| 2,703,498 | Mar. 08, 1955 | C. Tree | Removable Feed Nut for the Cross-Feed Apparatus of Milling Machines | milling machines |
| 2,809,844 | Oct. 15, 1957 | C. Tree | Tool Holder | milling machine tools |
| 3,022,608 | Feb. 27, 1962 | C. Tree | Taper Grinding Tool | milling machine tools |
