IP Library Granted Patent US 6,716,494
Granted Patent Utility
US 6,716,494 · App. 10/214,776

Transfer sheets

Inventors: Hideki Nakanishi, Noboru Yamada, Junichi Iida
Patented Case View Patent ↗
Granted: Apr 6, 2004 Filed: Aug 9, 2002
Inventors
Hideki Nakanishi
Noboru Yamada
Junichi Iida
Assignees (at issue)
SEIKO EPSON CORPORATION
DAICEL CHEMICAL INDUSTRIES, 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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 6,716,494
App. No.
10/214,776
Filed
2002-08-09
Granted
2004-04-06
Kind
B2