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. Other (3 from 832,812 patents)
2. Marvin Glass & Associates (3 from 422 patents)
6 patents:
1. 7565767 - Potato drip irrigation system
2. 7168207 - Potato drip irrigation system and method
3. 4832339 - Toy bowling game
4. 4717365 - Transformable toy vehicle and sword combination
5. 4580564 - Finger pricking device
6. 4571210 - Toy playset elevator