Average Co-Inventor Count = 2.40
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. Other (1 from 832,843 patents)
2. The United States Playing Card Company (1 from 12 patents)
2 patents:
1. 9452347 - Device to secure the mouth of a playing card shoe
2. 7492267 - Tracking methods and systems using RFID tags