Average Co-Inventor Count = 1.50
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. Dart Industries Inc. (2 from 1,642 patents)
2 patents:
1. D272222 - Drainer tray or the like
2. 4346813 - Closured and divided box