Average Co-Inventor Count = 2.40
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. Standard Duplicating Machines Corporation (4 from 7 patents)
4 patents:
1. 6126384 - Paper set feeding
2. D399872 - Paper set feeder
3. 5820334 - Paper set feeding
4. 5556254 - Paper set feeding