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| All Patents in class 15/236.05 | |||||
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| Number | Date | Patentee | Title | Type | |
| 26,535 | Dec. 20, 1859 | R.N. Tate | Mast-Scraper | scrapers | |
| 1,195,297 | Aug. 22, 1916 | F.J. Vlchek | Mortar Joint Scraper | bricklayer | |
| 3,377,642 | Apr. 16, 1968 | B.B. Reak | Tool for Cleaning the Splines of Telescopically Extensible Shafts | ||