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United States Utility Patents
4,994,050 - 4,994,059

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NumberTitle
4,994,050 Float chamber and sleeve for use in a chest drainage device
4,994,051 External urine catheter for males
4,994,052 Diaper
4,994,053 Composite article having discrete particulate areas formed therein
4,994,054 Self-attaching fastener part notably for all-in-one disposable diaper and process for manufacturing it
4,994,055 Fluid flow control apparatus
4,994,056 Unit dose medicament storing and mixing system
4,994,057 Sterilizable system for blood storage
4,994,058 Surface shaping using lasers
4,994,059 Laser catheter feedback system



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