Average Co-Inventor Count = 1.75
ph-index = 5
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 (7 from 210 patents)
7 patents:
1. D547551 - Snow brush with ice scraper and dual grips
2. D539496 - Extendable snow rake
3. D530676 - Wiring bracket
4. D528983 - Trailer wiring adapter
5. D527708 - Wiring bracket
6. D498891 - Ice chisel
7. D496908 - Trailer wiring adapter