Granted Patent
Utility
US 4,904,050 · App. 07/238,810
Methods of and systems for optical fiber sensing
Inventors:
Lawrence R. Dunn, Ian A. White, Willard C. White
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Aug 31, 1988
Inventors
Lawrence R. Dunn
Ian A. White
Willard C. White
Assignee (at issue)
American Telephone and Telegraph Company, AT&T Bell Laboratories
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.