Granted Patent
Utility
US 5,634,788 · App. 08/262,617
Nozzle and pilot for the burning of gas
Inventor:
Robert K. Rajewski
Patented Case
View Patent ↗
Granted: Jun 3, 1997
Filed: Jun 20, 1994
Inventor
Robert K. Rajewski
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.