Average Co-Inventor Count = 2.00
ph-index = 1
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. Pitney Bowes Inc. (1 from 2,979 patents)
2. Joseph W. Wall (0 patent)
3. Robert A. Vanourek (0 patent)
1 patent:
1. 4949272 - Flexible billing rate for mail communication systems