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Patents for Thomas S. Hollingsworth | |||||
Number | Date | Patentee | Title | Type | |
2,629 | May 20, 1842 | R.M. Hoe | Double-cylinder printing-press | printer | |
2,656 | May 30, 1842 | R.M. Hoe | Machinery for grinding and polishing metallic surfaces, particularly saw-plates | tool making machines | |
3,550 | Apr. 17, 1844 | R.M. Hoe | Inking-roller | printer | |
3,551 | Apr. 17, 1844 | R.M. Hoe | Printing-press | printer | |
4,025 | May 01, 1845 | R.M. Hoe | Printing-press | printer |