Granted Patent
Utility
US 5,651,940 · App. 08/578,452
Sealed sample cuvette for volatile solutions
Inventors:
Val Buonaiuto, Taro Nogami
Patented Case
View Patent ↗
Granted: Jul 29, 1997
Filed: Dec 26, 1995
Inventors
Val Buonaiuto
Taro Nogami
Assignee (at issue)
Hitachi Instruments, 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.