Average Co-Inventor Count = 2.00
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. E. R. Carpenter Company, Inc. (2 from 23 patents)
2. Carpenter Co. (1 from 31 patents)
3 patents:
1. D349201 - Combined seat and back support cushion
2. 5294181 - Seat cushion
3. D345072 - Seat cushion