IP Library Granted Patent US 6,144,590
Granted Patent Utility
US 6,144,590 · App. 09/315,328

Semiconductor memory having differential bit lines

Inventors: Michael Markert, Musa Saglam, Sabine Schoniger, Peter Schrogmeier, Stefan Dietrich, Thomas Hein, Thilo Marx
Patented Case View Patent ↗
Granted: Nov 7, 2000 Filed: May 20, 1999
Inventors
Michael Markert
Musa Saglam
Sabine Schoniger
Peter Schrogmeier
Stefan Dietrich
Thomas Hein
Thilo Marx
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 6,144,590
App. No.
09/315,328
Filed
1999-05-20
Granted
2000-11-07
Kind
A