Average Co-Inventor Count = 4.00
ph-index = 4
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. Von Duprin, Inc. (3 from 74 patents)
2. Other (1 from 832,843 patents)
4 patents:
1. 7249477 - Control for exit device
2. D542626 - Exit device centercase cover
3. D541633 - Exit device centercase cover
4. 5749130 - Child-proof seat belt buckle assembly