Average Co-Inventor Count = 2.46
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. Lionel Trains, Inc. (2 from 7 patents)
2. Main Street Toy Company, Inc. (2 from 2 patents)
3. Other (1 from 832,812 patents)
5 patents:
1. D324403 - Toy ball
2. 4974850 - Vibration triggered game device
3. 4952190 - Deformable article
4. 4906215 - Toy combination of toy article and toy attachments
5. 4869700 - Toy combination resembling a tractor trailer