Granted Patent
Utility
US 6,528,443 · App. 09/701,600
Water soluble glass composition
Inventor:
David Healy
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Jan 18, 2001
Inventor
David Healy
Assignee (at issue)
Giltech 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.