Granted Patent
Utility
US 4,622,680 · App. 06/661,598
Hybrid subband coder/decoder method and apparatus
Inventor:
Richard Louis Zinser
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Oct 17, 1984
Inventor
Richard Louis Zinser
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.