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| Patents for George A. Schipper | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,200,395 | Oct. 03, 1916 | G.A. Schipper | Metal-working machine | gear making machines | |
| 1,285,413 | Nov. 19, 1918 | G.A. Schipper | Gear Cutting Machine | gear making machines | |
| 1,368,457 | Feb. 15, 1921 | G.A. Schipper | Metal Cutting Tool | metalworking machine tool holders | |
| 1,941,275 | Dec. 26, 1933 | G.A. Schipper | Sanding machine | sanding machines | |