Granted Patent
Utility
US 6,429,246 · App. 08/819,239
Nonflammable halogen-free mixture
Inventor:
Friedemann Rous
Patented Case
View Patent ↗
Granted: Aug 6, 2002
Filed: Mar 17, 1997
Inventor
Friedemann Rous
Assignee (at issue)
ALCATEL
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.