Average Co-Inventor Count = 1.67
ph-index = 2
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. The Dial Corporation (1 from 276 patents)
2. Quaker State Corporation (1 from 4 patents)
2 patents:
1. D372768 - Air treatment device
2. D354916 - Container