[extropy-chat] Method and apparatus for generating propulsive forces without the ejection of propellant

[Damien Broderick]

http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=6,098,924.WKU.&OS=PN/6,098,924&RS=PN/6,098,924

This 2000 patent might be old news on this list; it reminds me of the 
fabled Lorrey Drive. (John Cramer took it somewhat seriously some year ago.)

Damien Broderick