Granted Patent
Utility
US 5,648,530 · App. 08/573,677
Manufacture of carbonyl floride
Inventor:
James L. Webster
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Dec 18, 1995
Inventor
James L. Webster
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.