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| All Patents in class 4/301 | |||||
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| Number | Date | Patentee | Title | Type | |
| 102,416 | Apr. 26, 1870 | S. Males | Improvement in public urinals | plumbing fixtures | |
| 107,188 | Sep. 06, 1870 | S. Males | Improvement in urinals | plumbing fixtures | |