DOWNS, JOHN B. Trademarks
APNEUSTIC ANESTHESIA VENTILATION
Filed: March 6, 1997
patient ventilation apparatus
Owned by: DOWNS, JOHN B.
Serial Number: 75263305
APRV
Filed: April 17, 1997
patient ventilators for providing positive ventilatory support
Owned by: DOWNS, JOHN B.
Serial Number: 75276159
