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4852657 | Hardy et al. | Aug 1989 | |
5189940 | Hosseini et al. | Mar 1993 | |
5218895 | Lukich et al. | Jun 1993 | |
5305681 | Devier et al. | Apr 1994 | |
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5511458 | Kamata et al. | Apr 1996 |
Entry |
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U.S. Patent Application Serial No. 08/498,558, filed Jul. 5, 1995. Title: Control System for a Hydraulic Cylinder and Method. |