Granted Patent
Utility
US 6,536,604 · App. 09/602,579
Inorganic dual-layer microporous supported membranes
Inventors:
C. Jeffrey Brinker, Chung-Yi Tsai, Yungfeng Lu
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Jun 22, 2000
Inventors
C. Jeffrey Brinker
Chung-Yi Tsai
Yungfeng Lu
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.