Granted Patent
Utility
US 6,077,922 · App. 08/943,152
Hollow bodies made of ethylene polymer and method of making same
Inventors:
Paul H. Johnson, Abel Grosjean, Benoit Koch
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: Oct 3, 1997
Inventors
Paul H. Johnson
Abel Grosjean
Benoit Koch
Assignee (at issue)
Solvay Polyolefins Europe-Belgium (Societe Anonyme)
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.