Granted Patent
Utility
US 6,558,612 · App. 09/187,924
Process for producing spherical biocompatible ceramic particles
Inventor:
William G. Hubbard
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Nov 6, 1998
Inventor
William G. Hubbard
Assignee (at issue)
Bioform, 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.