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. Hopkins Manufacturing Corporation (2 from 208 patents)
2 patents:
1. D345057 - Snow brush
2. D336783 - Snow brush with removable scraper and folding handle