Average Co-Inventor Count = 2.67
ph-index = 4
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. Crane Merchandising Systems, Inc. (2 from 39 patents)
2. Dixie-narco, Inc. (2 from 23 patents)
4 patents:
1. 8534494 - Product detection system for a vending machine
2. 8132691 - Vending machine dispensing system
3. 7401710 - Vending machine dispensing system
4. 7289880 - Micro-processor programmable and selectable vending options and control