Granted Patent
Utility
US 6,139,955 · App. 08/984,353
Coated fiber strands reinforced composites and geosynthetic materials
Inventor:
Mikhail M. Girgis
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Dec 3, 1997
Inventor
Mikhail M. Girgis
Assignee (at issue)
PPG Industries Ohio, 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.