![My dad gave me his old Littmann stethoscope that he bought in the 80s or the 90s. The serial number is no longer on it, can anyone help me find the model? : r/HelpMeFind My dad gave me his old Littmann stethoscope that he bought in the 80s or the 90s. The serial number is no longer on it, can anyone help me find the model? : r/HelpMeFind](https://preview.redd.it/5kzmvalg3el21.jpg?width=1080&crop=smart&auto=webp&s=1444405627202eac82c02b1d354c8a0c623baf92)
My dad gave me his old Littmann stethoscope that he bought in the 80s or the 90s. The serial number is no longer on it, can anyone help me find the model? : r/HelpMeFind
![3M Littmann Stethoscopes on X: "To register your 3M™ Littmann® Stethoscope, you'll need your serial number, which is found on your chestpiece. http://t.co/ElEnz3HmSl" / X 3M Littmann Stethoscopes on X: "To register your 3M™ Littmann® Stethoscope, you'll need your serial number, which is found on your chestpiece. http://t.co/ElEnz3HmSl" / X](https://pbs.twimg.com/media/B-I3kK9IgAAfLXJ.jpg)
3M Littmann Stethoscopes on X: "To register your 3M™ Littmann® Stethoscope, you'll need your serial number, which is found on your chestpiece. http://t.co/ElEnz3HmSl" / X
![Amazon.com: Customer reviews: 3M Littmann Stethoscope, Master Cardiology, Navy Blue Tube, Stainless Steel Chestpiece, 27 inch, 2164 Amazon.com: Customer reviews: 3M Littmann Stethoscope, Master Cardiology, Navy Blue Tube, Stainless Steel Chestpiece, 27 inch, 2164](https://m.media-amazon.com/images/I/61SC+n6DXXL._UC256,256_CACC,256,256_.jpg)