Granted Patent
Utility
US 6,579,489 · App. 09/610,103
Process for gas assisted and water assisted injection molding
Inventor:
Ronald Thomas
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jun 30, 2000
Inventor
Ronald Thomas
Assignee (at issue)
Alliance Gas Systems, 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.