Average Co-Inventor Count = 4.00
ph-index = 2
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. Welch Allyn, Inc. (3 from 869 patents)
3 patents:
1. D621981 - Examination light
2. D621539 - Examination light
3. D621540 - Examination light