Average Co-Inventor Count = 1.80
ph-index = 4
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 (24 from 423 patents)
24 patents:
1. D872797 - Lamp greeting card
2. D868155 - Cake greeting card
3. D862589 - Cake greeting card
4. D837061 - Gift cart gift card holder
5. 10150322 - Greeting card with tote bag
6. D831108 - Greeting card with slide-out gift card holder
7. D827025 - Lamp greeting card
8. D824997 - Lamp greeting card
9. D815201 - Ferris wheel greeting card
10. 9925820 - Greeting card with inflatable balloon
11. 9764584 - Musical greetings card
12. D797186 - Wreath greeting card
13. 9694617 - Musical greeting card
14. 9545811 - Greeting cards with multi-panel insert
15. 9156300 - Greeting card with scrolling scene