Granted Patent
Utility
US 5,241,998 · App. 07/784,768
Apparatus and method for packing particles
Inventor:
Mehdi Ashraf-Khorassani
Patented Case
View Patent ↗
Granted: Sep 7, 1993
Filed: Oct 30, 1991
Inventor
Mehdi Ashraf-Khorassani
Assignee (at issue)
Suprex 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.