Granted Patent
Utility
US 4,525,800 · App. 06/269,102
Enhanced reliability data storage system with second memory for preserving time-dependent progressively updated data from destructive transient conditions
Inventor:
Donald R. Hamerla
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Jun 1, 1981
Inventor
Donald R. Hamerla
Assignee (at issue)
General Electric Company
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.