Granted Patent
Utility
US 6,375,892 · App. 09/140,994
Method for gas assist injection molding
Inventor:
Ronald Thomas
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Aug 27, 1998
Inventor
Ronald Thomas
Assignee (at issue)
Alliance Systems, Ltd.
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.