Granted Patent
Utility
US 4,724,709 · App. 06/812,700
Pressure measuring system with internal reference
Inventors:
Frank J. Antonazzi, Michael C. Janosik
Patented Case
View Patent ↗
Granted: Feb 16, 1988
Filed: Dec 23, 1985
Inventors
Frank J. Antonazzi
Michael C. Janosik
Assignee (at issue)
ALLIED CONSULTING, 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.