Assignee
BOERGER KOOS
NL2 patents
Top patents by PatentIndex Score
US4749531AJun 7, 1988
Method and apparatus of extruding a plastic pipe under control of the wall thickness of the extruded plastic pipe
BOERGER KOOS21 citations75
US4886438ADec 12, 1989
Method and apparatus of extruding a plastic pipe under control of the wall thickness of the extruded plastic pipe
BOERGER KOOS10 citations62