Granted Patent
Utility
US 5,008,556 · App. 07/383,786
Measuring a gap between a tube and a float
Inventor:
Steven H. Mersch
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Jul 24, 1989
Inventor
Steven H. Mersch
Assignee (at issue)
BECTON, DICKINSON AND 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.