Granted Patent
Utility
US 6,794,007 · App. 09/816,524
Artificial turf airport marking safety system
Inventors:
Patrick J. Carr, Dale L. Collett, William L. Schomburg, Thomas M. Sullivan
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Mar 23, 2001
Inventors
Patrick J. Carr
Dale L. Collett
William L. Schomburg
Thomas M. Sullivan
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.