Granted Patent
Utility
US 6,641,865 · App. 10/334,756
Method for selectively applying solder mask
Inventor:
Allen D. Hertz
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Dec 31, 2002
Inventor
Allen D. Hertz
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.