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. International Paper Company (2 from 1,173 patents)
2. Evergreen Packaging, Inc. (1 from 27 patents)
3 patents:
1. 7326163 - Pressure pad for closing bottom of carton
2. 6881180 - Apparatus for forming a bottom closure for a container
3. 6599225 - Method of closing the bottom of a container