Granted Patent
Utility
US 6,656,412 · App. 09/931,241
Compaction system for particles in particle filled cavities of an article
Inventors:
Ahmet Ercelebi, Martin T. Garthaffner, Janet Thompson, Steven F. Spiers
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Aug 17, 2001
Inventors
Ahmet Ercelebi
Martin T. Garthaffner
Janet Thompson
Steven F. Spiers
Assignee (at issue)
Philip Morris 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.