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All Patents in class 279/19.4 | |||||
Number | Date | Patentee | Title | Type | |
951,013 | Mar. 01, 1910 | V.E. Lane | Tool Holder for Pneumatic Hammers | tool holders | |
1,706,460 | Mar. 26, 1929 | R.A. Norling | Chisel retainer for chipping hammers |