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| Patents for George L. Rock | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,188,158 | Jan. 23, 1940 | G.L. Rock | Screw driver | spiral screwdrivers | |
| 2,558,158 | Jun. 26, 1951 | G.L. Rock | Safety Tool Handle | tool handles | |
| 2,658,766 | Nov. 10, 1953 | G.L. Rock | Reversible Screw Driver | screwdriver mechanisms | |
| 2,986,248 | May 30, 1961 | G.L. Rock | Ratchet Tool | screwdriver mechanisms | |