Granted Patent
Utility
US 6,488,988 · App. 09/733,887
Method of reducing fumes from a vessel of molten asphalt
Inventors:
Dave Trumbore, Jorge A. Marzari, Dave Jones
Patented Case
View Patent ↗
Granted: Dec 3, 2002
Filed: Dec 8, 2000
Inventors
Dave Trumbore
Jorge A. Marzari
Dave Jones
Assignee (at issue)
Owens-Corning Fiberglas Technology, 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.