Average Co-Inventor Count = 3.16
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. Federal Signal Corporation (5 from 162 patents)
5 patents:
1. 9550453 - Light bar and method of making
2. 8636395 - Light bar and method for making
3. 7918596 - Warning light
4. 7905640 - Light bar and method for making
5. 7476013 - Light bar and method for making