Granted Patent
Utility
US 6,495,766 · App. 09/774,643
Apparatus and method for inserting filter into groove
Inventor:
Hiromi Takahashi
Patented Case
View Patent ↗
Granted: Dec 17, 2002
Filed: Feb 1, 2001
Inventor
Hiromi Takahashi
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.