Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents Granted on 1831-03-12 | |||||
Number | Date | Patentee | Title | Type | |
6,417X | Mar. 12, 1831 | J. Conger, G. Detterich | Weaving figured cloth | ||
6,418X | Mar. 12, 1831 | J. Morrison | Wood screws for pressing hay, cider, and cotton | cotton presses | |
6,419X | Mar. 12, 1831 | S. Stimpson | Making paper |