Granted Patent
Utility
US 6,464,148 · App. 09/564,116
Snowmaking process
Inventors:
Dominic Charles Costa, Stanley J. Kostka
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: May 3, 2000
Inventors
Dominic Charles Costa
Stanley J. Kostka
Assignee (at issue)
Aquatrols Holding Co., Inc.
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.