Average Co-Inventor Count = 1.20
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. Block and Company, Inc. (3 from 51 patents)
3 patents:
1. 6352162 - Interlocking bookends
2. 5502294 - Cash box with bill weights
3. 5441448 - Coin counting and holding device