Granted Patent
Utility
US 6,020,481 · App. 08/626,085
Asymmetric benzoxanthene dyes
Inventors:
Scott C. Benson, Steven M. Menchen, Peter D. Theisen, Kevin M. Hennessey, Vergine C. Furniss, Joan Hauser
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Apr 1, 1996
Inventors
Scott C. Benson
Steven M. Menchen
Peter D. Theisen
Kevin M. Hennessey
Vergine C. Furniss
Joan Hauser
Assignee (at issue)
PerkinElmer, 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.