Motor land vehicles, namely, automobiles, sport utility vehicles, trucks, vans, engines therefor and structural parts thereof

Downhole oil field equipment, namely drillable well packers, bridge plugs and valves i.e., rubber-like expandable elements for packer tools incorporating the packer elements for use in oil, gas, water wells, subterranean well completions and component parts therefore, run in and set on workstring or wireline and removed later by drilling or millout out.