Average Co-Inventor Count = 1.00
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. Ethyl Development Corporation (3 from 34 patents)
2. Clairol Incorporated (1 from 283 patents)
4 patents:
1. D268896 - Bottle or similar article
2. D268907 - Bottle or similar article
3. D268906 - Bottle or similar article
4. D259816 - Permanent wave rod