IP Library › Granted Patent US 4,748,969
Granted Patent Utility
US 4,748,969 · App. 07/047,687

Multi-lumen core deflecting endoscope

Inventor: John Wardle
Patented Case View Patent ↗
Granted: Jun 7, 1988 Filed: May 7, 1987
Inventor
John Wardle
Assignee (at issue)
Circon 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 4,748,969
App. No.
07/047,687
Filed
1987-05-07
Granted
1988-06-07
Kind
A