Average Co-Inventor Count = 2.77
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. Metaframe Corporation (2 from 16 patents)
2. Mattel, Inc. (1 from 1,702 patents)
3 patents:
1. 4285813 - Aquarium filtration apparatus
2. D256956 - Passageway joint for a small animal habitat or the like
3. 4147133 - Dispenser device for small animal food or the like