Granted Patent
Utility
US 6,790,414 · App. 10/124,148
Air enhancement system
Inventors:
Tsepin Tsai, Sadeg M. Faris
Patented Case
View Patent ↗
Granted: Sep 14, 2004
Filed: Apr 17, 2002
Inventors
Tsepin Tsai
Sadeg M. Faris
Assignee (at issue)
Inventqjaya Sdn Bhd
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.