Average Co-Inventor Count = 5.25
ph-index = 5
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. Progressive Games, Inc. (5 from 23 patents)
5 patents:
1. 5836818 - Coin acceptor including multi-state visual indicator apparatus and method
2. 5743798 - Apparatus for playing a roulette game including a progressive jackpot
3. D387391 - Gaming table covering
4. D373217 - Ashtray
5. 5542438 - Smokeless ashtray system