Granted Patent
Utility
US 6,780,367 · App. 09/891,799
Method for preparing a concrete article having reinforcing fibers frayed at their ends
Inventors:
Aleksander J. Pyzik, Kenneth Stewart, Hari Reddy, Kwanho Yang, Sharon M. Allen, Ted A. Morgan
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Jun 26, 2001
Inventors
Aleksander J. Pyzik
Kenneth Stewart
Hari Reddy
Kwanho Yang
Sharon M. Allen
Ted A. Morgan
Assignee (at issue)
Dow Global Technologies LLC
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.