Product Placement Blog ➞ 3M3M Littmann Stethoscope of Tasso Feldman as Irving Feldman in The Resident S04E09 “Doors Opening, Doors Closing” (2021)April 14, 2021 Sergey TV Show Hi! On Wednesday, April 14, I analyzed a TV Show and product placement was spotted: 3M Littmann Stethoscope of Tasso Feldman as Irving Feldman in The Resident S04E09 “Doors Opening, Doors Closing” (2021).Here are 3 image(s) below: