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Patents Granted on 1990-08-07 | |||||
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Number | Date | Patentee | Title | Type | |
4,945,797 | Aug. 07, 1990 | T.W. Hahn | Automated multiple rip saw feeding apparatus | woodworking machine stockfeeding mechanisms | |
4,946,109 | Aug. 07, 1990 | H.H. Lewis | Tooth assembly for rotary grinding apparatus | wood grinding machines |