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United States Utility Patents
4,019,500 - 4,019,509

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NumberTitle
4,019,500 Sponge retaining cup for medical electrode
4,019,501 CPR Breastplate compression aid
4,019,502 Hydrotherapy devices
4,019,503 Cradle assembly
4,019,504 Medical splint kit
4,019,505 Method of forming an orthopedic cast
4,019,506 Rigid supporting bandage and method for applying same
4,019,507 Protective breathing device having a filtering apparatus and additional oxygen supply for emergency use
4,019,508 Wearable, self-contained fully mobile personal breathing apparatus for surgeons and operating room personnel
4,019,509 Self-rescue breathing apparatus



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