Granted Patent
Utility
US 6,019,776 · App. 08/950,382
Precision depth guided instruments for use in vertebroplasty
Inventors:
Howard E. Preissman, Mary E. Jensen, Jacques Dion
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Oct 14, 1997
Inventors
Howard E. Preissman
Mary E. Jensen
Jacques Dion
Assignee (at issue)
Parallax Medical, 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.