Average Co-Inventor Count = 1.78
ph-index = 4
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 (8 from 93 patents)
8 patents:
1. 4447058 - Game gate device
2. 4443209 - Gaming apparatus having manually controllable-operating speed
3. 4440036 - Gaming apparatus having manually controllable operating speed
4. 4433844 - Drive mechanism for a variable speed gaming device
5. 4430903 - Gaming apparatus having manually controllable operating speed
6. 4427196 - Rotatable reel indexing having shock absorbing capability
7. 4373727 - Variable speed gaming device
8. 4155437 - Transport device for game machine