Granted Patent
Utility
US 6,575,303 · App. 09/992,169
Processing a product including aggregate materials and a volatile component
Inventors:
J. Donald Brock, Herbert E. Jakob, Michael E. Barrett, R. Ronald Collins, Gary Heeszel, David F. Peaks
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Nov 14, 2001
Inventors
J. Donald Brock
Herbert E. Jakob
Michael E. Barrett
R. Ronald Collins
Gary Heeszel
David F. Peaks
Assignee (at issue)
AI Enterprises, 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.