Granted Patent
Utility
US 4,962,952 · App. 07/329,980
Pressure tube with deflecting section
Inventors:
Joseph W. Pallini, Norman Brammer, Glenn Martin Wald
Patented Case
View Patent ↗
Granted: Oct 16, 1990
Filed: Mar 29, 1989
Inventors
Joseph W. Pallini
Norman Brammer
Glenn Martin Wald
Assignee (at issue)
Vetco Gray, LLC
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.