Average Co-Inventor Count = 1.17
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. Williams Electronics Games, Inc. (4 from 91 patents)
2. Other (2 from 832,718 patents)
7 patents:
1. 9919202 - Pinball game truss system
2. 9707471 - Display for a pinball game
3. D689557 - Pinball machine cabinet
4. 6047962 - Amusement game with pinball playfield and combined flipper/four-way
5. 6000697 - Display for a pinball game
6. 5944309 - Illuminable ramp assembly for a pinball game
7. D408366 - Combined flipper switch and four-way switch