US4104935A. Flat wrench extender tool. Google Patents Publication number US4104935A US4104935A US05/720,757 US72075776A US4104935A US 4104935 A US4104935 A US 4104935A US 72075776 A US72075776 A US 72075776A US 4104935 A US4104935 A US 4104935A Authority US United States Prior art keywords wrench flat tool handle bar Prior art date 1976-09-07 Legal status (The legal status is an assumption and […]

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