Granted Patent
Utility
US 6,376,743 · App. 09/371,648
Mammalian transgenesis by intracytoplasmic sperm injection
Inventor:
Ryuzo Yanagimachi
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Aug 10, 1999
Inventor
Ryuzo Yanagimachi
Assignee (at issue)
University of Hawai'i
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.