[CobaltBlue]

My husband wants to know if the circuit you are talking about is this one:
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=6362718.WKU.&OS=PN/6362718&RS=PN/6362718

[null and void]

No. This one:

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=6404245.WKU.&OS=PN/6404245&RS=PN/6404245

and the patent pending computer evolved circuit derived from it.

[Ichneumon]

My husband wants to know if the circuit you are talking about is this one:

No, that appears to be a different circuit.