Granted Patent
Utility
US 6,145,449 · App. 09/052,025
Pulverized fuel combustion burner
Inventors:
Shouzo Kaneko, Tadashi Gengo, Kouichi Sakamoto, Takayoshi Isoda
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Mar 31, 1998
Inventors
Shouzo Kaneko
Tadashi Gengo
Kouichi Sakamoto
Takayoshi Isoda
Assignee (at issue)
MITSUBISHI ELECTRIC CORPORATION
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.