Granted Patent
Utility
US 5,374,553 · App. 07/567,244
DNA encoding a thermostable nucleic acid polymerase enzyme from thermotoga maritima
Inventors:
David H. Gelfand, Frances C. Lawyer
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Aug 13, 1990
Inventors
David H. Gelfand
Frances C. Lawyer
Assignee (at issue)
HOFFMANN-LA ROCHE 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.