Average Co-Inventor Count = 2.40
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 Hoover Comapny (2 from 429 patents)
2 patents:
1. D293727 - Vacuum cleaner
2. D292335 - Vacuum cleaner