Average Co-Inventor Count = 3.00
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. Unimetal (1 from 9 patents)
2. Societe Anonyme Dite: Sacilor (1 from 1 patent)
2 patents:
1. 4755238 - Straightened rail
2. 4597283 - Method for straightening a rail and straightened rail