Granted Patent
Utility
US 6,808,548 · App. 10/334,881
Three component filtration material
Inventors:
Rodney Ray Wilkins, K. Dale Montgomery, Stephen W. Alexander, James G. Tuttle, Edwin G. Hoel
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Dec 31, 2002
Inventors
Rodney Ray Wilkins
K. Dale Montgomery
Stephen W. Alexander
James G. Tuttle
Edwin G. Hoel
Assignee (at issue)
Hollinee Glass Corporation
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.