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| Patents Granted on 1957-01-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,775,787 | Jan. 01, 1957 | F.S. Krag | Apparatus for the manufacture of hardboard | ||
| 2,775,818 | Jan. 01, 1957 | F. Meyer, Jr. | Fluid Gage Apparatus | pneumatic measuring gauges | |
| 2,775,914 | Jan. 01, 1957 | J.J. Deliso | Socket Wrench Set | socket wrenches | |
| 2,776,038 | Jan. 01, 1957 | H.F. Caldwell | Label machine feeding and timing mechanism | ||