Granted Patent
Utility
US 5,355,442 · App. 07/991,136
Terrain visualization by ray tracing a conical height field transformation
Inventors:
David W. Paglieroni, Sidney M. Petersen
Patented Case
View Patent ↗
Granted: Oct 11, 1994
Filed: Dec 16, 1992
Inventors
David W. Paglieroni
Sidney M. Petersen
Assignee (at issue)
Loral Aerospace Corp.
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.