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| Patents Granted on 1987-09-01 | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,690,049 | Sep. 01, 1987 | L. Malashenko | Hydraulic press with side slab guided upper platen | hydraulic metalworking presses | |
| 4,690,415 | Sep. 01, 1987 | W.B. Holdridge | Hydraulic Nosepiece Assembly for a Collet Closer, and Method | collet closers | |