Granted Patent
Utility
US 4,523,240 · App. 06/042,721
High precision floppy disc memory system
Inventors:
Ericson M. Dunstan, William J. Gervais, S. Barry McClelland
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: May 25, 1979
Inventors
Ericson M. Dunstan
William J. Gervais
S. Barry McClelland
Assignee (at issue)
Micropolis 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.