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| Patents for Walter A. Gigger | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,932,546 | Oct. 31, 1933 | W.A. Gigger, B.P. Graves | Milling Machine | ||
| 2,079,007 | May 04, 1937 | W.A. Gigger | Cross Feed Mechanism for Grinding Machines | ||
| 2,348,805 | May 16, 1944 | W.A. Gigger | Control Device | ||
| 2,387,254 | Oct. 23, 1945 | W.A. Gigger | Control Device | ||
 | 2,529,067 | Nov. 07, 1950 | W.A. Gigger, G.B. Hirsch, A.F. Bennett | Gear Shift Control Mechanism | |
| 2,914,153 | Nov. 24, 1959 | W.A. Gigger, A.L. Krause | Adjustable Dial | ||