Granted Patent
Utility
US 6,705,307 · App. 10/146,470
Removable gas burner unit for barbecue grill
Inventors:
J. Michael Alden, Leonard Zelek, James C. Stephen
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: May 15, 2002
Inventors
J. Michael Alden
Leonard Zelek
James C. Stephen
Assignee (at issue)
Weber-Stephen Products LLC
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.