Average Co-Inventor Count = 2.29
ph-index = 4
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 (4 from 118 patents)
4 patents:
1. 5261636 - Hanging laminated folder
2. 5248290 - Hanging laminated folder
3. 5066045 - Hanging laminated folder
4. 5025979 - Hanging expandable file