Granted Patent
Utility
US 6,238,568 · App. 09/306,594
Hydrothermal processing with phosphate additive
Inventor:
David A. Hazlebeck
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: May 6, 1999
Inventor
David A. Hazlebeck
Assignee (at issue)
General Atomics
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.