Granted Patent
Utility
US 5,895,715 · App. 08/974,618
Method of making shaped fibers
Inventor:
Jianzhong Huang
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: Nov 19, 1997
Inventor
Jianzhong Huang
Assignee (at issue)
Owens-Corning Fiberglas Technology, Inc.
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.