Average Co-Inventor Count = 3.00
ph-index = 3
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. Ameritek, Inc. (3 from 4 patents)
3 patents:
1. 5333519 - Steel rule die and method
2. 5211084 - Method of making a steel rule die
3. 5140872 - Steel rule die and method