Average Co-Inventor Count = 4.09
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)
3 patents:
1. D338269 - Ergonometric stethoscope chestpiece
2. D337381 - Ergonometric stethoscope chestpiece
3. 5204500 - Ergonometric stethoscope chestpiece