Average Co-Inventor Count = 1.00
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. Weirton Steel Corporation (2 from 67 patents)
2 patents:
1. D425419 - Rigid sheet metal end closure with integral opener
2. D422911 - Rigid sheet metal end closure with integral opener