All Patents in class 74/842 |
Patents 1 -
15
of 72
|
Number | Date | Patentee | Title | Type |
13,766 | Nov. 06, 1855 | S.W. Shryock | Drilling and Boring Machine | drill presses |
22,323 | Dec. 14, 1858 | R. Wilson | Machine for drilling metal | drilling and boring |
40,459 | Nov. 03, 1863 | G.S. Corwin | Improved boring-machine | drill presses |
41,546 | Feb. 09, 1864 | W. Stivers | Improvement in drills | drill presses |
42,914 | May 24, 1864 | S.U. King | Improvement in boring-machines | portable timber mortisers |
43,364 | Jun. 28, 1864 | J. Edgecomb | Improvement in boring-machines | portable timber borers |
49,933 | Sep. 12, 1865 | G. Johnson, D. Stanley | Improvement in boring-machines | portable timber mortisers |
53,981 | Apr. 17, 1866 | T.M. Howard | Improved drilling-machine | drill presses |
59,420 | Nov. 06, 1866 | J. Letterel | Improvement in machines for tenoning spokes | wheelwright |
67,826 | Aug. 13, 1867 | D. Warner, W.F. Peiffer, A.F. Lepper | Improvement in drilling-machines | drill presses |
79,640 | Jul. 07, 1868 | G. Dryden | Improvement in machines for boring wood | drilling and boring |
104,797 | Jun. 28, 1870 | W. Tucker | Improvement in boring-machines | portable timber mortisers |
135,313 | Jan. 28, 1873 | P. Blaisdell | Improvement in drilling-machines | drill presses |
150,857 | May 12, 1874 | M.A. Furbush | Improvement in metal-drilling machines | drill presses |
150,890 | May 12, 1874 | A.B. Prouty | Improvement in metal-drill machines | drill presses |