Granted Patent
Utility
US 6,833,103 · App. 10/071,231
Pressless blow molding
Inventors:
Roger Elgner, Changize Sadr
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Feb 11, 2002
Inventors
Roger Elgner
Changize Sadr
Assignee (at issue)
Salflex Polymers Limited
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.