Average Co-Inventor Count = 2.12
ph-index = 6
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. Hart Intercivic, Inc. (4 from 35 patents)
2. Other (1 from 832,718 patents)
3. Mark Voting Systems, Inc. (1 from 2 patents)
6 patents:
1. 6688517 - Electronic voting system
2. 6662998 - Electronic voting system
3. 6641033 - Electronic voting system
4. 6581824 - Electronic voting system
5. 6250548 - Electronic voting system
6. 5758325 - Electronic voting system that automatically returns to proper operating