Granted Patent
Utility
US 6,532,477 · App. 09/511,539
Method and apparatus for generating an audio signature for a data item
Inventors:
John C. Tang, Randall B. Smith
Patented Case
View Patent ↗
Granted: Mar 11, 2003
Filed: Feb 23, 2000
Inventors
John C. Tang
Randall B. Smith
Assignee (at issue)
Sun Microsystems 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.