Average Co-Inventor Count = 2.40
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 (2 from 423 patents)
2. Cpg Products Corporation (1 from 88 patents)
3. Kenner Parker Toys Inc. (1 from 38 patents)
4 patents:
1. D288702 - Toy oven
2. D288219 - Toy radio
3. D288218 - Toy radio
4. D269883 - Combined carrying case and tethered toys