Granted Patent
Utility
US 4,442,875 · App. 06/328,959
Propellant charging head for filling a storage chamber of a propellant storage construction
Inventors:
Francis S. Genbauffe, Joseph J. Erdelsky
Patented Case
View Patent ↗
Granted: Apr 17, 1984
Filed: Dec 9, 1981
Inventors
Francis S. Genbauffe
Joseph J. Erdelsky
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.