Granted Patent
Utility
US 5,951,576 · App. 09/033,035
End-to-side vascular anastomosing stapling device
Inventor:
Akio Wakabayashi
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Mar 2, 1998
Inventor
Akio Wakabayashi
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.