Average Co-Inventor Count = 1.50
ph-index = 6
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. Marvin Glass & Associates (11 from 422 patents)
11 patents:
1. 4339135 - Electronic matrix board game apparatus and method
2. 4270754 - Amusement device
3. 4244581 - Game with pieces preventing adjacent placement
4. 4198055 - Interacting game board and playing piece
5. 4191370 - Pneumatic exercising device
6. 4148152 - Construction toy with reversible track having sound producing means
7. 4147361 - Game apparatus
8. D250670 - Toy boat
9. D250611 - Toy vehicle
10. 4091995 - Toy vehicle track
11. 4089598 - Phonograph device