Average Co-Inventor Count = 3.46
ph-index = 3
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. Quadtech, Inc. (3 from 102 patents)
3 patents:
1. 6464218 - Delivery apparatus for a printing press
2. 6231044 - Delivery apparatus for a printing press
3. 6199860 - Motor driven delivery buckets