Average Co-Inventor Count = 2.40
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. Other (3 from 832,891 patents)
2. Rubbermaid, Inc. (1 from 848 patents)
4 patents:
1. 7900781 - Storage system
2. 6820286 - Protective mask
3. 6701536 - Protective mask
4. 5490676 - Playing cards with gripping surface