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| Patents for Walter A. Gigger | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,932,546 | Oct. 31, 1933 | W.A. Gigger, B.P. Graves | Milling Machine | milling machines | |
| 2,529,067 | Nov. 07, 1950 | W.A. Gigger, G.B. Hirsch, A.F. Bennett | Gear Shift Control Mechanism | machine tool controls | |