Granted Patent
Utility
US 4,894,736 · App. 07/116,110
Bendable E-shaped transducer
Inventor:
Gregory A. Orton
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: Oct 30, 1987
Inventor
Gregory A. Orton
Assignee (at issue)
Ampex 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.