Average Co-Inventor Count = 3.60
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. Diebold, Inc. (3 from 544 patents)
3 patents:
1. 5299891 - Pneumatic tube system
2. 5181805 - Pneumatic tube system
3. 5181806 - Pneumatic tube system