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| Patents for Frederick T. Ward | |||||
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| Number | Date | Patentee | Title | Type | |
| 191,389 | May 29, 1877 | T. Bedworth, F.T. Ward | Improvement in Spirit Levels | metallic levels | |
| 198,909 | Jan. 01, 1878 | T. Bedworth, F.T. Ward | Improvement in Spirit Levels | levels | |