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| All Patents in class 285/12 | |||||
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| Number | Date | Patentee | Title | Type | |
| 198,932 | Jan. 08, 1878 | W.E. Edwards, F.J. Gracier | Improvements in bellows-nozzles | fireplace tools | |
| 1,284,762 | Nov. 12, 1918 | H.A. Peterman | Gage Attachment | gauges | |
| 1,517,544 | Dec. 02, 1924 | E.R. Draver | Means for coupling telescoped tubular members | ||