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All Patents in class 30/353 | |||||
Number | Date | Patentee | Title | Type | |
1,540,373 | Jun. 02, 1925 | R.S. Squire | Bearing scraper | ||
2,524,636 | Oct. 03, 1950 | M.H. Preis, J.A. Hofmann | Cutter for pantograph engraving machines | metal engraving machines |