All Patents in class 81/29 |
Patents 1 -
15
of 44
|
Number | Date | Patentee | Title | Type |
11,122 | Jun. 20, 1854 | G.W. Griswold | Double-Ratchet Tool-Handle | tool holders |
17,769 | Jul. 07, 1857 | H.W. Porter | Bit brace | brace handles |
20,619 | Jun. 22, 1858 | O. Bond | Handle for Screw-Drivers | ratcheting screwdrivers |
44,047 | Aug. 30, 1864 | L.C. Rodier | Bit holder for bit-stock | brace chucks |
59,757 | Nov. 20, 1866 | C.W. Bioren | Double-Ratchet Tool-Handle | ratcheting screwdrivers |
80,622 | Aug. 04, 1868 | W.S. Goss | Improvement in Screw-Drivers | ratcheting screwdrivers |
98,933 | Jan. 18, 1870 | D. Drummond | Improvement in screw-drivers | screwdrivers |
106,036 | Aug. 02, 1870 | W. Dickson | Improvement in cork-screws | mechanical cork extractors |
110,960 | Jan. 17, 1871 | W.P. Dolan | Bit-brace | ratchet braces |
126,716 | May 14, 1872 | J.A. King | Improvement in Screw-Drivers | ratcheting screwdrivers |
176,811 | May 02, 1876 | D.C. Richards | Improvement in Screw-Drivers | ratcheting screwdrivers |
210,942 | Dec. 17, 1878 | G.E. Gay | Improvement in Ratchet Screwdrives | ratcheting screwdrivers |
217,672 | Jul. 22, 1879 | C.H. Amidon | Improvement in bit-braces | brace chucks |
230,877 | Aug. 10, 1880 | J. Kossuth | Corkscrew | mechanical cork extractors |
246,233 | Aug. 23, 1881 | N.N. Spofford | Ratchet bit-brace | ratchet braces |