Average Co-Inventor Count = 1.78
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. Clairol Incorporated (4 from 283 patents)
4 patents:
1. 4834118 - Heatable flexible hair curlers
2. 4799124 - Shock hazard protector for hair dryers
3. 4625738 - Heated bristle curling brush
4. 4593708 - Heated bristle curling brush