Average Co-Inventor Count = 4.00
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. Volt Delta Resources, LLC (2 from 6 patents)
2 patents:
1. 8515048 - Method of and system for automatically switching between free directory assistance service and chargeable directory assistance service
2. 8233608 - Method of and system for automatically switching between free directory assistance service and chargeable directory assistance service