Average Co-Inventor Count = 1.50
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. Paper Converting Machine Company (1 from 189 patents)
2. Grain Processing Corporation (1 from 136 patents)
2 patents:
1. 4260443 - Laminated absorbent process
2. 4131271 - Method and apparatus for interfolding