Granted Patent
Utility
US 4,649,522 · App. 06/700,459
Fast column access memory
Inventor:
Howard C. Kirsch
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Feb 11, 1985
Inventor
Howard C. Kirsch
Assignee (at issue)
AT&T Bell Laboratories
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.