Granted Patent
Utility
US 4,590,590 · App. 06/555,979
Sonobuoy multiple depth deployment apparatus
Inventors:
James R. Toone, Robert L. Barker
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Nov 29, 1983
Inventors
James R. Toone
Robert L. Barker
Assignee (at issue)
Magnavox Government and Industrial Electronics 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.