Dr. Michael Frass
Patente:
- Frass M., Frenzer R., Zahler, J.: Respiratory tube or airway. US-Patent 1987, Nr. 4.688.568
- Frass M., Frenzer R., Long G, Kline JS, Sheridan DS, Fink D, Toppses AN: Esophageal-Tracheal Double Lumen Airway. US-Patent No. 5,499,625
- Frass M., Frenzer R.: Ultrasound contact medium dispenser. US-Patent 1989, Nr. 4,844,080