Average Co-Inventor Count = 2.40
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. Illinois Tool Works Inc. (1 from 7,590 patents)
2. Illinois Tool Words Inc. (1 from 1 patent)
2 patents:
1. 5121997 - Perforated tear strip for easy-open flexible containers
2. 5100246 - Pull bead and guide rails for easy open flexible containers