Average Co-Inventor Count = 1.33
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. Etac Ab (2 from 13 patents)
2 patents:
1. D372890 - Rolling walker
2. 5417472 - Arrangement in a wheeled appliance