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| Patents for George C. Clark | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,285,041 | Nov. 19, 1918 | G.C. Clark | Surface Dressing Machine | ||
| 3,010,529 | Nov. 28, 1961 | G.C. Clark, R.T. Bartlett, C.E. Marion | Scale Weighbridge Lock-Out Means | scales and balances | |
| 3,043,386 | Jul. 10, 1962 | G.C. Clark, R.T. Bartlett, C.E. Marion | Portable Platform Scale Structure | scales and balances | |