Granted Patent
Utility
US 5,652,912 · App. 07/618,986
Versatile memory controller chip for concurrent input/output operations
Inventors:
John D. Lofgren, Richard W. Benton
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Nov 28, 1990
Inventors
John D. Lofgren
Richard W. Benton
Assignee (at issue)
LOCKHEED MARTIN 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.