Granted Patent
Utility
US 5,973,134 · App. 07/757,606
Rat CNP complementary DNA and precursor protein
Inventors:
Hisayuki Matsuo, Masayasu Kojima, Kenji Kangawa, Naoto Minamito
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Sep 11, 1991
Inventors
Hisayuki Matsuo
Masayasu Kojima
Kenji Kangawa
Naoto Minamito
Assignees (at issue)
SUNTORY HOLDINGS LIMITED
Hasayuki Matsuo
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.