Average Co-Inventor Count = 5.69
ph-index = 6
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. Ohio Steel Industries, Inc. (4 from 14 patents)
2. Chicago Display Marketing Corporation (1 from 38 patents)
3. Ohio Steel Corporation (1 from 1 patent)
6 patents:
1. 6726033 - Clothes hanging and bagging rack
2. 6679506 - Combined shopping cart stroller
3. D478198 - Combined shopping cart/stroller
4. 6523840 - Combined shopping cart stroller
5. D465632 - Combined shopping cart/stroller
6. D462496 - Handle for a wheeled device