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| All Patents in class 177/16 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,228,068 | Jan. 07, 1941 | E.J. White | Integrating Apparatus | conveyors and hoppers | |
| 2,301,177 | Nov. 10, 1942 | H.A. Hadley | Weight-Registering Apparatus | scales and balances | |
| 2,882,036 | Apr. 14, 1959 | L.J. Lyons | Conveyor Weighing Scale | scales and balances | |
| 2,927,785 | Mar. 08, 1960 | L.J. Lyons | Conveyor Weighing Scale | scales and balances | |