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Patents Granted on 1804-03-19 | |||||
Number | Date | Patentee | Title | Type | |
533X | Mar. 19, 1804 | W. Jackson, W. Gilman | Improvement in the bedstead, so constructed that it may be taken down and removed by one person in case of fire or on other occasions with much ease and expedition | ||
534X | Mar. 19, 1804 | A. Frost | Machine for preparing tow for paper | printer | |
535X | Mar. 19, 1804 | B. Tyler | Wry Fly Applied to Mills | water wheels |