Granted Patent
Utility
US 6,833,410 · App. 10/217,986
Method of rotational molding using a resin blend and the resulting molded objects
Inventor:
Robert Swain
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Aug 13, 2002
Inventor
Robert Swain
Assignee (at issue)
Chroma Group, Inc.
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.