Granted Patent
Utility
US 5,804,744 · App. 08/723,861
Apparatus for obtaining, storing and transporting liquid samples and methods for making and using same
Inventors:
Samantha Tan, Dianne M. Dougherty
Patented Case
View Patent ↗
Granted: Sep 8, 1998
Filed: Sep 30, 1996
Inventors
Samantha Tan
Dianne M. Dougherty
Assignee (at issue)
Chemtrace Corporation
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.