Inventor
DUFRESNE MICHAEL J
US4 patents
Patents
4 patentsUS6468439B1Oct 22, 2002
Etching of metallic composite articles
BMC IND INC186 citations94
US6086773AJul 11, 2000
Method and apparatus for etching-manufacture of cylindrical elements
BMC IND INC147 citations94
US6537459B1Mar 25, 2003
Method and apparatus for etching-manufacture of cylindrical elements
BMC IND INC58 citations92
US6365057B1Apr 2, 2002
Circuit manufacturing using etched tri-metal media
BMC IND INC130 citations92