Granted Patent
Utility
US 5,931,198 · App. 08/961,534
Fabric reinforced pipe
Inventors:
Brian Behzad Raji, Edward R. Fyfe
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Oct 30, 1997
Inventors
Brian Behzad Raji
Edward R. Fyfe
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.