Granted Patent
Utility
US 6,174,469 · App. 09/191,592
Device and method for creating dry particles
Inventor:
Alfonso Ganan-Calvo
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Nov 13, 1998
Inventor
Alfonso Ganan-Calvo
Assignee (at issue)
UNIVERSIDAD DE SEVILLA
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.