Granted Patent
Utility
US 6,283,615 · App. 09/545,879
Illumination apparatus
Inventor:
Ryusaku Takahashi
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Apr 7, 2000
Inventor
Ryusaku Takahashi
Assignee (at issue)
Victor Company of Japan, 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.