Granted Patent
Utility
US 5,218,686 · App. 07/431,656
Combined synchronous and asynchronous memory controller
Inventor:
John S. Thayer
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Nov 3, 1989
Inventor
John S. Thayer
Assignee (at issue)
Compaq Computer Corporation
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.