IP Library Granted Patent US 4,493,711
Granted Patent Utility
US 4,493,711 · App. 06/392,279

Tubular extrusion catheter

Inventors: Albert K. Chin, Thomas J. Fogarty
Patented Case View Patent ↗
Granted: Jan 15, 1985 Filed: Jun 25, 1982
Inventors
Albert K. Chin
Thomas J. Fogarty
Assignee (at issue)
Thomas J. Fogarty

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 4,493,711
App. No.
06/392,279
Filed
1982-06-25
Granted
1985-01-15
Kind
A