Average Co-Inventor Count = 1.33
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. Dolco Packaging Corporation (2 from 29 patents)
2 patents:
1. 5597073 - Trays for holding food products
2. D353765 - Four cell food tray