Granted Patent
Utility
US 6,575,381 · App. 09/501,641
Artificial snow producing and releasing apparatus and method thereof
Inventor:
Takamasa Fujiwara
Patented Case
View Patent ↗
Granted: Jun 10, 2003
Filed: Feb 11, 2000
Inventor
Takamasa Fujiwara
Assignee (at issue)
Kabushikikaisha Piste Snow Industries
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.