IP Library Granted Patent US 4,941,217
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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,941,217
App. No.
07/322,653
Filed
1989-03-13
Granted
1990-07-17
Kind
A