Granted Patent
Utility
US 6,025,505 · App. 09/038,191
4,7-Dichlororhodamine dyes
Inventors:
Linda G. Lee, Scott C. Benson, Barnett Rosenblum, Sandra L. Spurgeon, Jonathan M. Cassel, Ronald Graham
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Mar 10, 1998
Inventors
Linda G. Lee
Scott C. Benson
Barnett Rosenblum
Sandra L. Spurgeon
Jonathan M. Cassel
Ronald Graham
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.