Average Co-Inventor Count = 1.11
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. Block and Company, Inc. (5 from 51 patents)
5 patents:
1. D313519 - Combined rack for bill straps and utility tray
2. D313520 - Combined rack for coin wrappers and utility tray
3. 4334620 - Key storage rack
4. 4199067 - Key rack
5. 4118962 - Obturator for safe deposit boxes and the like