Granted Patent
Utility
US 6,723,563 · App. 10/005,999
Hematology reference control
Inventor:
Wayne L. Ryan
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Dec 3, 2001
Inventor
Wayne L. Ryan
Assignee (at issue)
Streck Laboratories, 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.