Average Co-Inventor Count = 1.89
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 (2 from 832,718 patents)
2. Stern Pinball, Inc. (2 from 21 patents)
3. Spencer Gifts LLC (1 from 16 patents)
6 patents:
1. 11020652 - User modifiable pinball machine
2. 10463950 - User modifiable pinball machine
3. 8256915 - Illuminated mirror with comfort augmentation
4. D419032 - Personal computer drinking vessel and holder
5. 5360142 - Supply assembly for water propelling device
6. D257081 - Ladies handbag