Granted Patent
Utility
US 5,124,172 · App. 07/498,000
Thin film diagnostic device
Inventors:
Robert Edward Burrell, Anthony G. Naylor, Aron Rosenfeld
Patented Case
View Patent ↗
Granted: Jun 23, 1992
Filed: Mar 23, 1990
Inventors
Robert Edward Burrell
Anthony G. Naylor
Aron Rosenfeld
Assignee (at issue)
Alcan International Limited
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.