Average Co-Inventor Count = 2.40
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. Other (2 from 832,718 patents)
2 patents:
1. 6338693 - Pivot-hung door drive
2. 6262548 - Door drive for a pivot-hung door