Granted Patent
Utility
US 4,544,030 · App. 06/523,210
Shell nozzle
Inventors:
Mikel S. Crook, Douglas Eugene Decker
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Aug 15, 1983
Inventors
Mikel S. Crook
Douglas Eugene Decker
Assignee (at issue)
American Standard 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.