4520513 - Automatic vacuum urinal flush mechanism
4522882 - Method and apparatus for coating submerged portions of floating structures
4531920 - Transverse waterjet propulsion with auxiliary inlets and impellers
4532801 - Method and apparatus for determining small magnitude fluid-dynamic drag resistance differentials between different structural configurations of a model
4540988 - Broadband multi-element antenna
4544285 - Fluid equalized tilting pad thrust bearings
4552298 - Apparatus for attaching an underwater explosive pad eye
4553037 - Solar breeze power package and saucer ship
4555614 - Weld metal cooling rate indicator system
4571994 - Acoustical testing of hydraulic actuators
4574096 - Suspension method of impregnating active material into composite nickel plaque
4581527 - Damage assessment system for composite plastic structures using fiber optics
4589342 - Rocket-powered training missile with impact motor splitting device
4599041 - Variable camber tandem blade bow for turbomachines
4599505 - Flexible trailing shield for welding reactive metals
4623514 - Liquid metal brush material for electrical machinery systems
4628490 - Wideband sonar energy absorber
4631302 - Underwater biocidal wax composition and preparation thereof
4631303 - Underwater frmulation and method for cleaning and waxing simultaneously
4635487 - Fluid sampler
4639399 - Nickel oxide, ceramic insulated, high temperature coating
4647371 - Oil/water disperser device for use in an oil content monitor/control system
