Granted Patent
Utility
US 5,175,551 · App. 07/809,600
Downdraft velocity estimator for a microburst precursor detection system
Inventor:
William L. Rubin
Patented Case
View Patent ↗
Granted: Dec 29, 1992
Filed: Dec 18, 1991
Inventor
William L. Rubin
Assignee (at issue)
Unisys Corporation
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.