Average Co-Inventor Count = 1.20
ph-index = 3
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. Columbia Insurance Company (1 from 1,004 patents)
3 patents:
1. D636637 - Cake stand
2. D354731 - Multiple electrical socket unit
3. D349885 - Power strip