Granted Patent
Utility
US 5,897,090 · App. 08/969,510
Puck for a sample tube
Inventors:
Gary Smith, David P. O'Bryan, Bingham Hood van Dyke, Jr., Michael John Campanelli
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Nov 13, 1997
Inventors
Gary Smith
David P. O'Bryan
Bingham Hood van Dyke, Jr.
Michael John Campanelli
Assignee (at issue)
Bayer Aktiengesellschaft
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.