Average Co-Inventor Count = 2.00
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. Esselte Pendaflex Corporation (1 from 118 patents)
2. Esselte Pandaflex (1 from 1 patent)
2 patents:
1. D319473 - Letter tray
2. D314398 - Letter tray