Granted Patent
Utility
US 5,224,778 · App. 07/716,719
Temperature verification for polymerase chain reaction systems
Inventors:
Robert L. Grossman, James Walter Frey
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Nov 12, 1991
Inventors
Robert L. Grossman
James Walter Frey
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.