Granted Patent
Utility
US 5,248,296 · App. 07/632,679
Ultrasonic device having wire sheath
Inventor:
Howard Alliger
Patented Case
View Patent ↗
Granted: Sep 28, 1993
Filed: Dec 24, 1990
Inventor
Howard Alliger
Assignee (at issue)
Sonic Needle 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.