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| Patents for H. A. Sandberg | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,133,236 | Mar. 23, 1915 | K. Peterson | Wrench | nut wrenches | |
| D47,389 | May 25, 1915 | K. Peterson | Member of a Pair of Pliers, Cutters, and Similar Articles | pliers | |
| 1,153,310 | Sep. 14, 1915 | J.E. Johnson | Drive for machine-tools | tapping machines | |
| 1,153,311 | Sep. 14, 1915 | J.E. Johnson | Tapping-machine | tapping machines | |
| 1,215,308 | Feb. 06, 1917 | J.E. Johnson | Combination Tool | screwdriver handles | |