Average Co-Inventor Count = 2.77
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. Berol Corporation (3 from 102 patents)
3 patents:
1. D426854 - Card file rail system insert
2. D426575 - File bin
3. D421628 - Horizontal organizer