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| Patents for Alfred G. Ericson | |||||
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| Picture | Number | Date | Patentee | Title | |
| 2,145,255 | Jan. 31, 1939 | A.G. Ericson, B.R. Granberg | Brake mechanism | ||
| 2,175,347 | Oct. 10, 1939 | A.G. Ericson, B.R. Granberg | Cooling Device for Machine Tools | ||
| 2,183,514 | Dec. 12, 1939 | A.G. Ericson, B.R. Granberg | Gearing | ||
| 2,302,854 | Nov. 24, 1942 | A.G. Ericson, B.R. Granberg | Machine tool | ||
| 2,345,194 | Mar. 28, 1944 | A.G. Ericson, B.R. Granberg | Feed screw mechanism | ||
| 2,393,093 | Jan. 15, 1946 | B.T. Anderson, A.G. Ericson | Unitary controller | ||