IP Library Granted Patent US 4,526,175
Granted Patent Utility
US 4,526,175 · App. 06/468,203

Double lumen dilatation catheter

Inventors: Albert K. Chin, Thomas B. Kinney
Patented Case View Patent ↗
Granted: Jul 2, 1985 Filed: Feb 22, 1983
Inventors
Albert K. Chin
Thomas B. Kinney
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 4,526,175
App. No.
06/468,203
Filed
1983-02-22
Granted
1985-07-02
Kind
A