Average Co-Inventor Count = 14.01
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. American Greetings Corporation (7 from 423 patents)
7 patents:
1. 8943719 - Method and apparatus for marketing greeting cards
2. D617580 - Card display
3. D597765 - Card display
4. D595067 - Card display
5. D584538 - Card display
6. D584071 - Card display
7. D584077 - Card studio display