Average Co-Inventor Count = 3.27
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. Bally Manufacturing Corporation (2 from 93 patents)
2. Summit Systems, Inc. (Interscience Systems) (1 from 1 patent)
3 patents:
1. 4283709 - Cash accounting and surveillance system for games
2. 4238127 - Electronic gaming apparatus
3. 4072930 - Monitoring system for use with amusement game devices