IP Library Granted Patent US 5,821,591
Granted Patent Utility
US 5,821,591 · App. 08/794,566

High density read only memory cell configuration and method for its production

Inventors: Wolfgang Krautschneider, Franz Hofmann, Wolfgang Roesner
Patented Case View Patent ↗
Granted: Oct 13, 1998 Filed: Feb 3, 1997
Inventors
Wolfgang Krautschneider
Franz Hofmann
Wolfgang Roesner
Assignee (at issue)
Siemens Aktiengesellschaft

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 5,821,591
App. No.
08/794,566
Filed
1997-02-03
Granted
1998-10-13
Kind
A