Granted Patent
Utility
US 6,202,447 · App. 09/070,871
Method of making a glass fiber preform with adjusting a spacing while increasing acceleration of a starting glass powder
Inventors:
Alain Drouart, Benoit Gouez, Pierre Ripoche
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: May 1, 1998
Inventors
Alain Drouart
Benoit Gouez
Pierre Ripoche
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.