Average Co-Inventor Count = 6.00
ph-index = 5
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. Other (3 from 832,891 patents)
2. Postal Hawk Corporation (2 from 2 patents)
5 patents:
1. 8261966 - Apparatus for secure postal and parcel receipt and storage
2. 7988035 - Apparatus for secure postal and parcel receipt and storage
3. 6644542 - Enhanced-security delivery receptacles
4. 6644543 - Enhanced-security delivery receptacles with brick-in feature
5. 6588656 - Enhanced-security delivery receptacles for parcels