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. Helena Laboratories Corporation (3 from 119 patents)
3 patents:
1. 4934547 - Specimen collection container and non-removable cover
2. 4799597 - Container and non-removable cover
3. 4736859 - Container and non-removable cover