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All Patents of Type: grooving tools | |||||
Number | Date | Patentee | Title | Type | |
1,583,317 | May 04, 1926 | E. Girouard, A. Senecal | Grooving Tool | grooving tools | |
1,707,478 | Apr. 02, 1929 | R.E. Hyde | Grooving Tool | grooving tools |