Inventor
ALBERT RENE MARCEL
BE3 patents
Patents
3 patentsUS6454025B1Sep 24, 2002
Apparatus for directional boring under mixed conditions
VERMEER MFG CO128 citations96
US6588516B2Jul 8, 2003
Method and apparatus for directional boring under mixed conditions
VERMEER MFG CO16 citations90
US7641000B2Jan 5, 2010
System for directional boring including a drilling head with overrunning clutch and method of boring
VERMEER MFG CO20 citations88