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Patents Granted on 1841-02-?? | |||||
Number | Date | Patentee | Title | Type | |
1,990 | Feb. 20, 1841 | J. King | Head-block of sawmills for sawing without stub-shot and gaging the thickness of the stuff to be sawed | sawmill headblocks | |
1,993 | Feb. 23, 1841 | E.G. Matthews | Manufacture of plows | plows |