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| US4427178 | 4 Ago 1982 | 24 Ene 1984 | | Accessory for wheeled floor jack | | US4756509 | 3 Mar 1987 | 12 Jul 1988 | United States of America as represented by the Secretary of the Interior | Mobile lifting jack | | US5427349 | 27 Jun 1994 | 27 Jun 1995 | REO Hydraulic Pierce & Form, Inc. | Adjustable base assembly | | USRE35907 | 25 Mar 1996 | 29 Sep 1998 | REO Hydraulic Pierce & Form, Inc | Adjustable base assembly |
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