Granted Patent
Utility
US 6,830,408 · App. 10/689,108
System for repairing distressed roads that includes an asphalt interlayer
Inventors:
Phillip B. Blankenship, Joseph Drbohlav, III, Michael L. Hines
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Oct 20, 2003
Inventors
Phillip B. Blankenship
Joseph Drbohlav, III
Michael L. Hines
Assignee (at issue)
KMC 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.