Average Co-Inventor Count = 1.00
ph-index = 1
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. Greif Bros. Corp. of Ohio, Inc. (1 from 8 patents)
1 patent:
1. 6630529 - Barrier reducing permeation of hydrocarbons