Granted Patent
Utility
US 5,496,702 · App. 08/299,729
Immunoassay elements having stable leuco dye coatings
Inventors:
John F. Bishop, Linda A. Mauck
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: Sep 1, 1994
Inventors
John F. Bishop
Linda A. Mauck
Assignee (at issue)
Johnson & Johnson Clinical Diagnostics, 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.