Granted Patent
Utility
US 4,941,217 · App. 07/322,653
Flow enhancing jet fitting
Inventors:
Samuel Tobias, William E. Treene, George Williams
Patented Case
View Patent ↗
Granted: Jul 17, 1990
Filed: Mar 13, 1989
Inventors
Samuel Tobias
William E. Treene
George Williams
Assignee (at issue)
Hayward 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.