Average Co-Inventor Count = 3.58
ph-index = 4
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. (4 from 1,642 patents)
4 patents:
1. D359966 - Ice cube tray
2. D345898 - Food mold
3. D323194 - Playground toy or the like
4. 4804349 - Reconfigurable toy