Patents for Charles W. Hubbard |
Patents 1 -
8
of 8
      |
Picture | Number | Date | Patentee | Title |
 | 27,221 | Feb. 21, 1860 | C.W. Hubbard | Machine for grinding and polishing saws |
 | 79,979 | Jul. 14, 1868 | C.W. Hubbard | Improvement in Saw Handles |
 | 118,264 | Aug. 22, 1871 | G. Palmer, C.W. Hubbard | Improvement in the methods of manufacturing axes |
 | 141,225 | Jul. 29, 1873 | C.W. Hubbard | Improvement in saw-buckles |
 | 209,810 | Nov. 12, 1878 | C.W. Hubbard | Improvement in saws |
 | RE9,657 | Apr. 12, 1881 | C.W. Hubbard | Saw |
 | 245,831 | Aug. 16, 1881 | C.W. Hubbard | Saw-tooth |
 | D20,771 | May 26, 1891 | C.W. Hubbard | Design for an Ax |