All Patents in class 144/98 |
Patents 1 -
10
of 40
      |
Picture | Number | Date | Patentee | Title |
 | 6,953X | Mar. 02, 1832 | J.B. Francis | Boring hubs |
 | 10,087 | Oct. 04, 1853 | L.S. Maring | Cutter for boring wheel-hubs |
 | 10,882 | May 09, 1854 | W.J. Casselman | Improved hub-borer |
 | 14,434 | Mar. 11, 1856 | C. Schmidt | Method of boxing carriage-wheels |
 | 15,678 | Sep. 02, 1856 | S.H. Yocum | Method of boring hubs for boxes |
 | 16,932 | Mar. 31, 1857 | A. Moore | Method of centering and holding hubs while being bored |
 | 24,756 | Jul. 12, 1859 | D. Quimby | Machine for boring hubs |
| 40,779 | Dec. 01, 1863 | W. Thurber | Boring Hubs |
 | 44,807 | Oct. 25, 1864 | J. Kritch | Improvement in machines for boring wagon-hubs |
 | 47,576 | May 02, 1865 | P. Schuttler | Improvement in machines for boring hubs |