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| Patents for General Hardware Mfg. Co. | |||||
| Number | Date | Patentee | Title | Type | |
| 2,269,637 | Jan. 13, 1942 | B.L. Polkosnik | Drill Index | tool storage | |
| D201,570 | Jul. 06, 1965 | B.L. Polkosnik | Marking Gage | marking gauges | |