Granted Patent
Utility
US 6,203,606 · App. 09/196,217
Performance grade asphalt and methods
Inventors:
Bruce R. Bond, Foster L. Wade
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Nov 20, 1998
Inventors
Bruce R. Bond
Foster L. Wade
Assignee (at issue)
Texaco 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.