Granted Patent
Utility
US 6,656,136 · App. 09/696,076
Use of focused ultrasound for vascular sealing
Inventors:
Lee Weng, David M. Perozek, Jimin Zhang
Patented Case
View Patent ↗
Granted: Dec 2, 2003
Filed: Oct 25, 2000
Inventors
Lee Weng
David M. Perozek
Jimin Zhang
Assignee (at issue)
Therus Corporation
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.