Average Co-Inventor Count = 4.20
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. Lockheed Martin Corporation (4 from 5,259 patents)
4 patents:
1. 7506797 - Public drop box for isolating received items
2. 7159762 - Public drop box for isolating received items
3. 6789727 - Mail processing apparatus and collection box with a mail article sealer
4. 6688083 - Drop control mechanism for flat articles