Granted Patent
Utility
US 6,107,009 · App. 09/372,471
Photoresist developer and method
Inventor:
Zoilo Cheng Ho Tan
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Aug 11, 1999
Inventor
Zoilo Cheng Ho Tan
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.