@patent {weigl_united_2004,
	title = {United {States} {Patent}: 6743399 - {Pumpless} microfluidics},
	number = {6743399},
	year = {2004},
	month = {jun},
	abstract = {A microfluidic device which operates without the need for an external power source. The device includes a body structure, at least one microscale channel within the structure, a port for introducing fluid into the channel, and a power source internal to the structure for propelling the fluid through the channel. Various structures are described which embody the invention.},
	url = {http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2\&Sect2=HITOFF\&p=1\&u=\%2Fnetahtml\%2FPTO\%2Fsearch-bool.html\&r=18\&f=G\&l=50\&co1=AND\&d=PTXT\&s1=\%22Weigl\%3B+Bernhard\%22.INNM.\&OS=IN/\%22Weigl;+Bernhard\%22\&RS=IN/\%22Weigl;+Bernhard\%22},
	author = {Weigl, Bernhard H. and Williams, Clinton L. and Hayenga, Jon W. and Bardell, Ronald L. and Schulte, Thomas E.}
}
