Granted Patent
Utility
US 5,028,006 · App. 07/495,188
Spray nozzle for spray gun for forming a polyurethane layer on a surface
Inventors:
Hugo De Winter, Bernard Debaes, Philippe Buyck
Patented Case
View Patent ↗
Granted: Jul 2, 1991
Filed: Mar 19, 1990
Inventors
Hugo De Winter
Bernard Debaes
Philippe Buyck
Assignee (at issue)
RECTICEL
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.