Average Co-Inventor Count = 2.00
ph-index = 4
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. Kingsdown, Incorporated (3 from 15 patents)
2. Other (1 from 832,812 patents)
4 patents:
1. RE41809 - Automatic mattress selection system
2. 6990425 - Automatic mattress selection system
3. 6741950 - Automatic mattress selection system
4. 6571192 - Automatic mattress selection system