Average Co-Inventor Count = 2.97
ph-index = 7
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 (9 from 422 patents)
9 patents:
1. 4900026 - Whirling ball collecting game
2. 4802878 - Doll with rotating and bendable arms
3. 4708690 - Toy mechanical monster
4. 4566195 - Magnetic drawing toy
5. 4471565 - Articulated doll mounted on a ball
6. 4467555 - Animated doll
7. 4386479 - Walking doll
8. 4191374 - Projectile return apparatus with ball target area
9. 4174835 - Competitive game