IP Library Granted Patent US 4,620,186
Granted Patent Utility
US 4,620,186 · App. 06/527,943

Multi-bit write feature for video RAM

Inventors: Charles A. Krause, Babu Rajaram
Patented Case View Patent ↗
Granted: Oct 28, 1986 Filed: Aug 30, 1983
Inventors
Charles A. Krause
Babu Rajaram
Assignee (at issue)
Zenith Electronics LLC

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 4,620,186
App. No.
06/527,943
Filed
1983-08-30
Granted
1986-10-28
Kind
A