IP Library › Granted Patent US 6,622,725
Granted Patent Utility
US 6,622,725 · App. 09/676,899

Rebreathing circuit to set and stabilize end tidal and arterial PCO2 despite varying levels of minute ventilation

Inventors: Joseph Fisher, Alex Vesely, Hiroshi Sasano, George Volgyesi, Janet Tesler
Patented Case View Patent ↗
Granted: Sep 23, 2003 Filed: Oct 2, 2000
Inventors
Joseph Fisher
Alex Vesely
Hiroshi Sasano
George Volgyesi
Janet Tesler

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 6,622,725
App. No.
09/676,899
Filed
2000-10-02
Granted
2003-09-23
Kind
B1