Average Co-Inventor Count = 2.67
ph-index = 2
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 (4 from 832,718 patents)
4 patents:
1. 4835874 - Driven marking system for creating a plurality of varied line designs
2. 4303240 - Moving block game
3. 4078794 - Rotatable bar game
4. 4023816 - Inflatable toy