Granted Patent
Utility
US 6,465,765 · App. 09/782,848
Fluid heating apparatus
Inventors:
Masakazu Katayama, Seiji Oku, Tomonori Kojimaru, Yusuke Muraoka
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Feb 14, 2001
Inventors
Masakazu Katayama
Seiji Oku
Tomonori Kojimaru
Yusuke Muraoka
Assignees (at issue)
OMRON CORPORATION
DAINIPPON SCREEN MFG. CO., LTD.
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.