Average Co-Inventor Count = 3.16
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. Addco Manufacturing, Inc. (3 from 5 patents)
2. Addco, Inc. (2 from 4 patents)
3. Aadco, Inc. (1 from 1 patent)
6 patents:
1. 6414650 - Sign system with field changeable screen size and message
2. 6175342 - Enhanced modular message board
3. 6150996 - Changeable message sign system with reconfigurable sign screen
4. 5914698 - Modular message board
5. 5213464 - Method and apparatus for dispensing and retrieving highway warning
6. 5187993 - Actuator for remote control