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| All Patents in class 160/308 | |||||
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| Number | Date | Patentee | Title | Type | |
| 114,918 | May 16, 1871 | N. Campbell | Improvement in curtain-fixtures | ||
| 209,771 | Nov. 12, 1878 | J. Nesbitt, A. Anderson | Improvements in curtain-rollers | ||