Average Co-Inventor Count = 3.53
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. Marvin Glass & Associates (3 from 422 patents)
2. Hasbro Industries, Inc. (3 from 48 patents)
6 patents:
1. D258971 - Toy refrigerator
2. D258162 - Toy sink
3. D258163 - Toy stove
4. 4127377 - Stamp design kit
5. 4120190 - Craft device for decoratively deforming metal cans and the like
6. 4070967 - Stamp design kit