| Patents for Davis Boring Tool Co. |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| GB-205,396 | Oct. 18, 1923 | C.C. Koeln | Cutters for boring and like bars | boring heads |
| 1,538,174 | May 19, 1925 | E.E. Davis | Holding device | sharpening machines |
| CA-250,547 | Jun. 09, 1925 | C.C. Koeln | Boring tool | boring heads |
| 1,613,174 | Jan. 04, 1927 | C.C. Koeln | Device for stoning cutters | sharpening machines |
| 1,619,855 | Mar. 08, 1927 | E.E. Davis | Expansion reamer | reamers |
| CA-276,826 | Jan. 03, 1928 | E.E. Davis | Expansion reamer | reamers |
| 1,674,890 | Jun. 26, 1928 | E.E. Davis | Expansion reamer | reamers |
| CA-282,331 | Aug. 07, 1928 | E.E. Davis | Expansible boring tool | boring heads |
| 1,698,394 | Jan. 08, 1929 | E.E. Davis | Boring device | cylinder maintenance |
| 1,740,986 | Dec. 24, 1929 | J.E. Kilzer | Expansion reamer | reamers |
| 1,745,207 | Jan. 28, 1930 | C.C. Koeln, E.E. Davis | Cylinder-reboring machine | cylinder maintenance |
| 1,746,381 | Feb. 11, 1930 | E.E. Davis | Boring tool | boring heads |
| 1,768,962 | Jul. 01, 1930 | C.C. Koeln | Expansion boring tool | boring heads |
| 1,881,665 | Oct. 11, 1932 | J.E. Kilzer | Expansion boring tool | boring heads |
| 1,941,790 | Jan. 02, 1934 | E.E. Davis | Reamer | reamers |
