Average Co-Inventor Count = 1.20
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. United Steel & Wire Company (3 from 20 patents)
3 patents:
1. 4875695 - Child seat for over-the-counter shopping cart
2. 4632411 - Shopping cart with plastic basket
3. 4600204 - Corner bumper for shopping cart