8 Jan
2004
8 Jan
'04
9:16 a.m.
Found some information on this (I think). I have about a dozen of these and
have been wondering about them. Check out the following link from the US
Patent and Trademark office:
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d…
&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=4775928.WKU.&OS=PN/4775928&RS=PN/47
75928
Neil