Average Co-Inventor Count = 3.75
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. Wanzl Metallwarenfabrik Gmbh (2 from 16 patents)
2. Wanzl Gmbh & Co. Kgaa (8 patents)
2 patents:
1. D621121 - Handle
2. 6672599 - Stackable shopping cart