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Priority claimed from US06/655,917external-prioritypatent/US4559094A/en
Application filed by Sears Mfg CofiledCriticalSears Mfg Co
Publication of DK523984D0publicationCriticalpatent/DK523984D0/en
Publication of DK523984ApublicationCriticalpatent/DK523984A/en
Publication of DK162975BpublicationCriticalpatent/DK162975B/en
Application grantedgrantedCritical
Publication of DK162975CpublicationCriticalpatent/DK162975C/en