Granted Patent
Utility
US 6,140,132 · App. 09/094,359
Fluorescent protein sensors for measuring the pH of a biological sample
Inventors:
Roger Y. Tsien, Atsushi Miyawaki, Juan Llopis
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Jun 9, 1998
Inventors
Roger Y. Tsien
Atsushi Miyawaki
Juan Llopis
Assignee (at issue)
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
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.