| http://www.w3.org/ns/prov#value | - Patent US5123768 - Articulating positioning device for tools - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsAn adjustable jointed coupling (10) for attaching paint rollers, paint brushes, paint shields, and other tools to detachable handles or extension rods, which is rotatable about a central axis through a displacement window of approx
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