All Patents of Type: portable timber borers |
Patents 1 -
15
of 24
|
Number | Date | Patentee | Title | Type |
4,534 | May 23, 1846 | W. Read | Machine for reaming faucets | portable timber borers |
43,364 | Jun. 28, 1864 | J. Edgecomb | Improvement in boring-machines | portable timber borers |
72,114 | Dec. 10, 1867 | G.C. Taft | Improvement in variable crank for boring-machines | portable timber borers |
RE3,760 | Dec. 14, 1869 | G.C. Taft | Variable crank for boring machine | portable timber borers |
142,296 | Aug. 26, 1873 | J. Strickler | Improvement in boring-machines | portable timber borers |
184,065 | Nov. 07, 1876 | G.S. Derr | Wood-Boring Machine | portable timber borers |
187,388 | Feb. 13, 1877 | B.F. Joslyn | Improvement in wood-boring machines | portable timber borers |
206,091 | Jul. 16, 1878 | H.C. Cloyd | Improvement in boring-machines | portable timber borers |
246,840 | Sep. 06, 1881 | J.M. Trackwell | Wood-boring machine | portable timber borers |
248,508 | Oct. 18, 1881 | N. Saunders | Boring-machine | portable timber borers |
256,337 | Apr. 11, 1882 | W.E. Lawrence | Wood-boring machine | portable timber borers |
273,136 | Feb. 27, 1883 | A. Noteman | Portable steam boring-engine | portable timber borers |
288,403 | Nov. 13, 1883 | H.T. Bowen | Boring-machine | portable timber borers |
342,688 | May 25, 1886 | J. Ernst | Boring-machine | portable timber borers |
354,073 | Dec. 07, 1886 | J. Swan | Boring-machine | portable timber borers |