Average Co-Inventor Count = 2.00
ph-index = 3
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. Great Northern Corporation (3 from 23 patents)
3 patents:
1. D385080 - Roll support
2. D381180 - Roll support
3. 4832196 - Packaging system for material rolls and improved structure for use