Average Co-Inventor Count = 2.50
ph-index = 5
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 (4 from 20 patents)
5 patents:
1. 7237782 - Rear gate assembly for shopping cart
2. D526106 - Bottom tray for shopping cart
3. D523207 - Plastic child seat for shopping cart
4. 6981708 - Shopping cart basket
5. D308929 - Combination lighter holder and bottle/can opener