Assertion: snorkel | /r/CapableOf | disclose in aforementioned patent
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Source sentences:
text: While the snorkel disclosed in the aforementioned patent is a significant improvement over the prior art, additional improvements are desirable in order to further decrease the effort required to purge the snorkel of water and also in order to more effectively rid the snorkel and particularly the mouthpiece portion thereof of any remaining water which might otherwise interfere with the breathing effort.