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. Purex Corporation (2 from 53 patents)
2 patents:
1. 4583677 - Box inner partition providing four cells
2. 4583681 - Extensible handle carton with leakage preventing flap structure