Granted Patent
Utility
US 4,442,405 · App. 06/373,850
Float assembly for a sensor
Inventors:
Raymond J. Andrejasich, Ralph A. Perry
Patented Case
View Patent ↗
Granted: Apr 10, 1984
Filed: May 3, 1982
Inventors
Raymond J. Andrejasich
Ralph A. Perry
Assignee (at issue)
Emhart Industries, 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.