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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 | |
| 4,946,293 | Aug. 07, 1990 | I.F. Helms | Gas Bearing Having an Auxiliary Reservoir | ||