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| Patents Granted on 1977-04-19 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,017,976 | Apr. 19, 1977 | A.J. Barr, A.G. Mullin | Apparatus and method for maximum utilization of elongated stock | radial arm saws | |
| 4,018,110 | Apr. 19, 1977 | S.C. Spriggs | Stopper Remover | champagne and soda tools | |