Granted Patent
Utility
US 4,838,282 · App. 07/019,062
Bone biopsy needle assembly
Inventors:
Robert Strasser, Robert L. Netsch
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Feb 26, 1987
Inventors
Robert Strasser
Robert L. Netsch
Assignee (at issue)
Manan Manufacturing Co., 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.