Average Co-Inventor Count = 1.85
ph-index = 3
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. Other (2 from 832,812 patents)
2. Marvin Glass & Associates (2 from 422 patents)
4 patents:
1. 4340810 - Method and apparatus for merchandise distribution control
2. 4004132 - Convertible flashlight-lantern
3. 3973773 - Game apparatus
4. 3940879 - WALKING DOLL