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Patents Granted on 1987-12-29 | |||||
Number | Date | Patentee | Title | Type | |
4,715,573 | Dec. 29, 1987 | R.D. Liegel | Convertible tool tray and support stand for mechanics tool | vehicle mechanic | |
4,715,789 | Dec. 29, 1987 | R.D. Liegel, J.G. Ballard | High speed hydraulic fluid venting valve in a hydraulic fluid pump | hydraulic pumps |