Average Co-Inventor Count = 2.00
ph-index = 1
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. Stern Pinball, Inc. (2 from 21 patents)
2 patents:
1. 12172091 - Amusement device with permanent magnet gameplay feature
2. 12090413 - Amusement device with an interactive target and projector feature