Granted Patent
Utility
US 6,520,481 · App. 09/895,733
Linearly regulated gas valve for gas burners
Inventor:
Uwe Harneit
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Jul 2, 2001
Inventor
Uwe Harneit
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.