IP Library › Granted Patent US 6,071,840
Granted Patent Utility
US 6,071,840 · App. 08/860,470

Dark green colored glass

Inventors: Mizuki Sasage, Takashi Kijima, Shiro Tanii
Patented Case View Patent ↗
Granted: Jun 6, 2000 Filed: Jul 23, 1997
Inventors
Mizuki Sasage
Takashi Kijima
Shiro Tanii
Assignee (at issue)
ASAHI GLASS 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.

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 6,071,840
App. No.
08/860,470
Filed
1997-07-23
Granted
2000-06-06
Kind
A