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All Patents in class 451/469 | |||||
Number | Date | Patentee | Title | Type | |
2,763,104 | Sep. 18, 1956 | E.R. Lindenborg | Flexible abrasive brush | sanding machines | |
4,369,606 | Jan. 25, 1983 | R.E. Reiman | Abrasive head |