Granted Patent
Utility
US 4,495,819 · App. 06/452,760
Optical pressure sensor
Inventor:
Vincent J. Tekippe
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Dec 23, 1982
Inventor
Vincent J. Tekippe
Assignee (at issue)
Gould Inc.
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.