Granted Patent
Utility
US 6,006,796 · App. 08/928,521
Asphalt loading safety system
Inventors:
Richard L. Baker, Paul S Meyer
Patented Case
View Patent ↗
Granted: Dec 28, 1999
Filed: Sep 12, 1997
Inventors
Richard L. Baker
Paul S Meyer
Assignee (at issue)
Ashland, 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.