Granted Patent
Utility
US 6,555,728 · App. 09/923,798
Process for decontamination of ballast pitch material
Inventors:
Luciano A. Gonzalez, Blair F. Sim, Henry E. Kowalyk, James D. Harcus
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Aug 8, 2001
Inventors
Luciano A. Gonzalez
Blair F. Sim
Henry E. Kowalyk
James D. Harcus
Assignee (at issue)
Kinetrics, 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.