Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents for David Hitchcock | |||||
Number | Date | Patentee | Title | Type | |
3,428X | Dec. 29, 1821 | D. Hitchcock | Cast iron plough | plows | |
3,726X | Jul. 16, 1823 | D. Hitchcock | Plough | plows | |
6,582X | Jun. 13, 1831 | D. Hitchcock | Cornshelling machine | corn shellers |