IP Library Granted Patent US 4,966,580
Granted Patent Utility
US 4,966,580 · App. 07/382,021

Oral feeding appliance

Inventors: John J. Turner, Mary J. A. Turner
Patented Case View Patent ↗
Granted: Oct 30, 1990 Filed: Jul 19, 1989
Inventors
John J. Turner
Mary J. A. Turner
Assignee (at issue)
NATIONAL RESEARCH DEVELOPMENT CORPORATION

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 4,966,580
App. No.
07/382,021
Filed
1989-07-19
Granted
1990-10-30
Kind
A