![]() Hendrix Original Assignee Sprigg E Glenn Couch Everett O Hendrix Shelby D Priority date (The priority date is an assumption and is not a legal conclusion. ![]() Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/881,352 Inventor E. Google Patents Multiple pulley bin jackÄownload PDF Info Publication number US4147328A US4147328A US05/881,352 US88135278A US4147328A US 4147328 A US4147328 A US 4147328A US 88135278 A US88135278 A US 88135278A US 4147328 A US4147328 A US 4147328A Authority US United States Prior art keywords pulley frame cable jack bin Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4147328A - Multiple pulley bin jack
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