Average Co-Inventor Count = 2.25
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. Dart Industries Inc. (3 from 1,642 patents)
3 patents:
1. D550021 - Pitcher
2. D536222 - Knife, fork and spoons set
3. D525825 - Cover for a pitcher