Granted Patent
Utility
US 6,276,917 · App. 09/239,104
Powder processing apparatus
Inventors:
Emilio Gutierrez, Peter Hafermann, Matthew W. Phillips
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Jan 28, 1999
Inventors
Emilio Gutierrez
Peter Hafermann
Matthew W. Phillips
Assignee (at issue)
Botanicals International
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.