Granted Patent
Utility
US 5,894,646 · App. 08/450,475
Method for the manufacture of a two dimensional acoustic array
Inventors:
Amin M. Hanafy, Vaughn R. Marian
Patented Case
View Patent ↗
Granted: Apr 20, 1999
Filed: May 26, 1995
Inventors
Amin M. Hanafy
Vaughn R. Marian
Assignee (at issue)
ACUSON
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.