IP Library Granted Patent US 4,336,224
Granted Patent Utility
US 4,336,224 · App. 06/122,779

Bubble oxygenator

Inventor: George G. Siposs
Patented Case View Patent ↗
Granted: Jun 22, 1982 Filed: Feb 19, 1980
Inventor
George G. Siposs
Assignee (at issue)
Travenol Laboratories, 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 4,336,224
App. No.
06/122,779
Filed
1980-02-19
Granted
1982-06-22
Kind
A