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| Patents Granted on 1940-06-04 | |||||
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| Number | Date | Patentee | Title | Type | |
| RE21,479 | Jun. 04, 1940 | V.R. Trabuco | Machine for bending plywood | wood bending machines | |
| 2,202,878 | Jun. 04, 1940 | H.E. Tautz | Drill press guard | drill presses | |
| 2,203,104 | Jun. 04, 1940 | E. Reaney | Tool Holder and Clamp | lathe tool holders and tool posts | |
| 2,203,297 | Jun. 04, 1940 | B.R. Granberg | Control mechanism | ||
| 2,203,298 | Jun. 04, 1940 | B.R. Granberg | Machine tool | ||
| 2,203,488 | Jun. 04, 1940 | G.A. Carlson | Polishing and buffing machine | polishing and buffing machinery | |