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. Federal Paper Board Co., Inc. (2 from 87 patents)
2 patents:
1. 4443995 - Metering device and method
2. 3956868 - Carton opening, filling and closing apparatus