Granted Patent
Utility
US 5,481,110 · App. 08/320,468
Thin film preconcentrator array
Inventors:
Silaipillayarputhur V. Krishnaswamy, Carl B. Freidhoff
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Oct 7, 1994
Inventors
Silaipillayarputhur V. Krishnaswamy
Carl B. Freidhoff
Assignee (at issue)
Westinghouse Electric Company LLC
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.