Granted Patent
Utility
US 6,620,482 · App. 09/727,276
Safety system for airports and airfields
Inventors:
Patrick J. Carr, Dale L. Collett, William L. Schomburg, Thomas M. Sullivan
Patented Case
View Patent ↗
Granted: Sep 16, 2003
Filed: Nov 30, 2000
Inventors
Patrick J. Carr
Dale L. Collett
William L. Schomburg
Thomas M. Sullivan
Assignee (at issue)
AvTurf L.L.C.
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.