Granted Patent
Utility
US 4,267,568 · App. 05/847,561
Information storage and retrieval system
Inventors:
Thomas E. Dechant, Edward L. Glaser, Paul E. Pitt, Frederick Way
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: Nov 1, 1977
Inventors
Thomas E. Dechant
Edward L. Glaser
Paul E. Pitt
Frederick Way
Assignee (at issue)
SYSTEM DEVELOPMENT INC.
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.