Granted Patent
Utility
US 6,503,065 · App. 09/777,440
Engine blower
Inventors:
Kohya Tanaka, Tetsuji Shibata
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Feb 6, 2001
Inventors
Kohya Tanaka
Tetsuji Shibata
Assignee (at issue)
Tanaka Kogyo 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.