Granted Patent
Utility
US 5,838,830 · App. 08/825,646
Vertex-based hierarchical shape representation and coding method and apparatus
Inventors:
Richard Qian, M. Ibrahim Sezan
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Apr 3, 1997
Inventors
Richard Qian
M. Ibrahim Sezan
Assignee (at issue)
Sharp Laboratories of America, 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.