Average Co-Inventor Count = 13.85
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. American Greetings Corporation (6 from 423 patents)
6 patents:
1. 8943719 - Method and apparatus for marketing greeting cards
2. D597765 - Card display
3. D595067 - Card display
4. D584538 - Card display
5. D584071 - Card display
6. D584077 - Card studio display