Granted Patent
Utility
US 4,531,673 · App. 06/407,689
Spray jet polymer powder wetter
Inventors:
Hugh R. Holland, Rosario Adamo
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Aug 13, 1982
Inventors
Hugh R. Holland
Rosario Adamo
Assignee (at issue)
Pennwalt 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.