Average Co-Inventor Count = 3.00
ph-index = 2
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. The Libman Company (2 from 301 patents)
2 patents:
1. D876835 - Caddy
2. D667187 - Cleaning device