IP Library › Granted Patent US 5,152,463
Granted Patent Utility
US 5,152,463 · App. 07/774,011

Aspirating simplex spray nozzle

Inventors: Chien-Pei Mao, Roy Pack
Patented Case View Patent ↗
Granted: Oct 6, 1992 Filed: Oct 8, 1991
Inventors
Chien-Pei Mao
Roy Pack
Assignee (at issue)
Delavan 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 5,152,463
App. No.
07/774,011
Filed
1991-10-08
Granted
1992-10-06
Kind
A