Granted Patent
Utility
US 4,521,684 · App. 06/350,687
Optical measurement system with light-driven vibrating sensor element
Inventors:
Anthony C. Gilby, Edward L. Lewis, Everett O. Olsen
Patented Case
View Patent ↗
Granted: Jun 4, 1985
Filed: Feb 22, 1982
Inventors
Anthony C. Gilby
Edward L. Lewis
Everett O. Olsen
Assignee (at issue)
Fox Boro Company
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.