Granted Patent
Utility
US 5,352,779 · App. 08/126,134
Site-directed mutagenesis modified DNA encoding glycoprotein hormones and methods of use
Inventors:
Scott C. Chappel, Edward G. Bernstine
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Sep 23, 1993
Inventors
Scott C. Chappel
Edward G. Bernstine
Assignee (at issue)
APPLIED RESEARCH SYSTEMS ARS HOLDING N.V.
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.