All Patents in class 144/93.1 |
Patents 1 -
10
of 23
      |
Picture | Number | Date | Patentee | Title |
 | 7 | Aug. 10, 1836 | T. Blanchard | Machine for boring holes and cutting lanyard-scores in deadeyes |
 | 19,307 | Feb. 09, 1858 | H. Miller | Boring bed-posts |
 | 32,550 | Jun. 11, 1861 | S.L. Fitts | Boring-machine |
 | 72,596 | Dec. 24, 1867 | T.E. Brinly | Improvement in the manufacture of plough-handles |
 | 112,626 | Mar. 14, 1871 | P.I. Perrin, J.L. Hewes | Improvement in machines for tapping boilers |
 | 141,279 | Jul. 29, 1873 | C. Krapf | Improvement in lathes for turning tobacco-pipes |
 | 170,980 | Dec. 14, 1875 | G.W. Badger | Improvement in boring-machines |
 | 176,116 | Apr. 11, 1876 | M. Young | Improvement in machines for boring pipe-stems |
 | 194,638 | Aug. 28, 1877 | W.C. Barker | Improvement in machines for boring pump-logs |
 | 250,167 | Nov. 29, 1881 | F.F. Parker | Machine for boring holes in chair-legs |