3 ms·
20 years. It looks to me like this one was actually filed on 2 Jan 1997 and granted on 6 Apr 1999. [1]. I think the 1992 date came from on of the patents used
by kgermino 16y ago
20 years. It looks to me like this one was actually filed on 2 Jan 1997 and granted on 6 Apr 1999. [1]. I think the 1992 date came from on of the patents used as a reference in the application.
[1] http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=5,893,120.PN.&OS=PN/5,893,120&RS=PN/5,893,120 http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sec...