Granted Patent
Utility
US 6,093,154 · App. 09/069,782
Biopsy needle
Inventors:
Paul P. Burek, Bonnie B. Vivian, James Edney
Patented Case
View Patent ↗
Granted: Jul 25, 2000
Filed: Apr 29, 1998
Inventors
Paul P. Burek
Bonnie B. Vivian
James Edney
Assignee (at issue)
Denver Biomaterials, 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.