Issue Date
<p>Dec 21, 1999</p>
Year of Publication
1997
Published Source
US Patent & Trademark Office, Patent Full Text and Image Database
Patent Version Number
6,003,620
Application Number
08898269
Date Published
07/1997
Assignee
Advanced Coring Technology, Inc. (Austin, TX)
Country
U.S.A.
URL
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=6003620.PN.&OS=PN/6003620&RS=PN/6003620