| All Patents in class 408/705 |
Patents 1 -
13
of 13
      |
| Number | Date | Patentee | Title | Type |
| 6,088 | Feb. 06, 1849 | H. Peeler | Improved Method of Boring Gun-Barrels | twist drill bits |
| 195,882 | Oct. 09, 1877 | H.C. Bull | Machine for Boring Gun Barrels | horizontal drilling machines |
| 1,272,219 | Jul. 09, 1918 | W.L. Clark | Drilling Machine | |
| 1,513,350 | Oct. 28, 1924 | J.W. Stolle | Means for and method of drilling deep holes in wood | wood drilling and boring |
| 2,178,915 | Nov. 07, 1939 | G.K. McKee, C.E. Bernitt | Machine Tool | drill presses |
| 2,260,327 | Oct. 28, 1941 | G.K. McKee | Machine tool | drill presses |
| 2,432,943 | Dec. 16, 1947 | R.M. Shaw, Jr. | Boring Mill and Mechanism to Oppose Sag in the Tool Bars Thereof | horizontal boring mills |
| 2,891,424 | Jun. 23, 1959 | R.L. Carlstedt | Depth gage for boring machines | boring and turning machines |
| 2,953,951 | Sep. 27, 1960 | R.L. Carlstedt | Boring tool | boring and turning machines |
| 2,969,698 | Jan. 31, 1961 | R.L. Carlstedt | Control system for a boring machine | boring and turning machines |
| 3,028,771 | Apr. 10, 1962 | W.S. Bunnell | Revolving Deep Driller | metal lathe accessories and attachments |
| 3,131,584 | May 05, 1964 | E.L. McFerren | Horizontal Boring Machine | horizontal boring mills |
| 3,348,434 | Oct. 24, 1967 | H.R. Plummer | Boring Bar Assembly for Deep Hole Boring | boring bars |
