Average Co-Inventor Count = 2.25
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. The Ohio Mattress Company Licensing and Components Group (3 from 23 patents)
3 patents:
1. D409024 - Mattress innerspring
2. 5787532 - Internal mattress wall structures interlockingly engageable with
3. 5713088 - Innerspring construction with springs having free terminal convolutions