Granted Patent
Utility
US 5,456,752 · App. 08/136,395
Graded fiber design and concrete reinforced therewith
Inventor:
Dennis J. Hogan
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Oct 13, 1993
Inventor
Dennis J. Hogan
Assignee (at issue)
Synthetic Industries, 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.