Average Co-Inventor Count = 1.45
ph-index = 6
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. Cpg Products Corporation (4 from 88 patents)
2. American Greetings Corporation (3 from 423 patents)
3. Sport Fun, Inc. (1 from 9 patents)
8 patents:
1. 6405444 - Apparatus for drawing boundary lines on a play surface
2. D288702 - Toy oven
3. D277881 - Toy cruise ship
4. D275120 - Toy house
5. D275121 - Toy house
6. D271406 - Toy butterfly
7. D270460 - Electronic road racing toy
8. D265842 - Animal push toy