Granted Patent
Utility
US 5,873,254 · App. 08/709,350
Device and methods for multigradient directional cooling and warming of biological samples
Inventor:
Amir Arav
Patented Case
View Patent ↗
Granted: Feb 23, 1999
Filed: Sep 6, 1996
Inventor
Amir Arav
Assignee (at issue)
Interface Multigrad Technology Ltd.
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.