Granted Patent
Utility
US 5,365,789 · App. 08/087,325
Pressure transducers with diamond diaphragms and optical deflection detection means
Inventors:
David H. J. Totterdell, Paul Chalker
Patented Case
View Patent ↗
Granted: Nov 22, 1994
Filed: Jul 8, 1993
Inventors
David H. J. Totterdell
Paul Chalker
Assignee (at issue)
United Kingdom Atomic Energy Authority
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.