Bearings for use as structural support in buildings and nuclear power plants, namely, rubber bearings for seismic isolation of buildings

Self-Lubricating Heavy-Duty Bronze and Other Metal Bearings Including Inserts of Tetrafluoroethylene

Self-Lubricating Bearings Comprised of Bronze or Other Metal Bearing Materials Incorporating Lubricants Designed for Nuclear Power Plant Use

Self-Lubricating Bearings Comprised of Bronze or Other Metal Bearing Materials Incorporating Solid Compound Lubricants Designed for Underwater Use

Self-Lubricating Bearings Comprised of Bronze or Other Metal Bearing Members Including Inserts of Tetrafluoroethylene

Self-Lubricating Bearing Systems Comprised of Metal Bearing Members to which Are Bonded Layers of Woven Polytetrafluoroethylene Fiber